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Ceramic safety knife Slice – manual

Art. no. U10550

At a glance

  • high protection against cut injuries 
  • Ceramic safety blade
  • 2 variants with different blade retraction
  • for right- and left-handed users
  • Blade change without tools
U10550-Keramik-Sicherheitsmesser-manuell-CURT-tools_1000
22.52€ net · excl. VAT

Prices in EUR, net – for business customers only. Shipping: €14 flat rate within Europe, free of charge from €300 goods value (Shipping costs, in German) · Delivery time on request

Quantity discountnet / pc.
from 20 pcs. (−3 %)21.84€
from 50 pcs. (−6 %)21.17€

Pen Cutter manual – safety built into the ceramic blade

Ceramic blade | safety grind | ergonomic design

The Pen Cutter manual safety knife relies on an unusual safety principle: instead of automatic blade retraction, the safety grind of the ceramic blade itself limits the cutting depth – whether or not the blade is dirty with residue or slightly sticking. That is exactly what makes the knife an insider tip for opening sacks and film bags: unlike knives with automatic retraction, the blade can stay out permanently without build-up blocking the mechanism. The ergonomic design with a smooth-running blade slider sets the blade manually in three steps – for consistently safe blade guidance even in intensive continuous use. Suitable for safety officers, logistics managers and production managers who need a robust niche solution for opening sacks. Safety knives overview

Highlights

  • Safe despite safety level 0: manual, three-step blade retraction – thanks to the safety grind of the blade itself still noticeably safer than a classic cutter knife of this rating
  • Safety grind instead of a retraction mechanism: the deliberately reduced initial sharpness of the ceramic blade limits the cutting depth directly at the blade geometry – works reliably even with dirt or slight sticking
  • Spark-free, rust-free blade: the ceramic blade is non-magnetic, chemically inert and heat-stable up to 1,600 °C – according to the manufacturer it stays sharp up to 11 times longer than a steel blade
  • Ergonomic design: the slim handle shape is matched to the hand position when cutting and reduces fatigue even in intensive continuous use
  • Smooth-running blade slider: can be adjusted to three blade positions with little effort – pleasant to operate even with frequent use

Applications & cutting materials

Which materials is this knife made for — and where does it reach its limits?

Versatile for cardboard, tape and strapping

Adhesive tape — Ceramic safety knife Slice – manual im Einsatz

Adhesive tape

You open sealed cartons along the tape – the limited cutting depth protects the goods underneath.

Strapping (PP/PET) — Ceramic safety knife Slice – manual im Einsatz

Strapping (PP/PET)

You cut PP and PET strapping under tension in a controlled way – an important safety aspect when unpacking.

Kartonagen — Ceramic safety knife Slice – manual im Einsatz

Cardboard boxes

You open and score cardboard precisely without damaging the contents – reliably sharp even in intensive continuous use.

Particularly suitable
Opening film/paper sacks
Opening film/paper sacks
Adhesive tape
Adhesive tape
Strapping
Strapping
Rubber
Rubber
Suitable
Cardboard – lids/flaps
Cardboard – lids/flaps
Stretch film
Stretch film
Not suitable Polystyrene (EPS)

Knife know-how

Not every safety knife is built the same – and you only notice that when it matters in everyday use. In the knife knowledge section we show you at a glance how the Pen Cutter manual performs on the most important properties. Its greatest advantage shows when opening sacks and film bags: because the blade can stay extended permanently, build-up does not block a retraction mechanism – a real insider tip for this application. If you have questions about the choice, we are happy to advise you personally.

Further features

Safety

Transport lock
Prevents the blade from extending by accident in a pocket or tool case.
Without snap-off segments
Continuous blade without predetermined breaking points, no risk of a segment breaking off uncontrolled.
Rounded tip
Prevents puncture injuries without limiting the cutting performance of the blade edge. Particularly relevant for overhead or blind work.
Safety grind
Deliberately reduced initial sharpness noticeably makes accidental skin cuts harder, without making the blade unusable for the material being cut.
Few mounting holes
Fewer blade mounting holes mean fewer predetermined breaking points under lateral force, and a lower risk of uncontrolled breakage.

Handle & ergonomics

Ergonomic design
The handle shape is designed around the hand position when cutting and reduces fatigue with repeated use.
Left- and right-handed
Can be used with either hand, with or without conversion depending on the model, equally suitable for left- and right-handed users.
Large slider
Generously sized, can be operated safely and over a large area, even with gloves.
Smooth-running slider
Operates with little effort, noticeably more comfortable with frequent use.
Weight < 100 g
Noticeably lighter than all-metal knives without giving up stability. Pleasant with frequent, repeated use throughout the day. This model weighs 99 g.

Blade

Adjustable cutting depth
Can be limited to protect the material underneath, e.g. the contents of a carton, from damage.
Ceramic
Extremely hard and rust-free, stays sharp exceptionally long, more sensitive to lateral loads than steel.
Uncoated
Constant basic sharpness without coating wear, cost-efficient and proven. The most economical choice for standard applications.
Very long edge life
Maximum service life between two blade changes, for the most intensive continuous use with as little changing effort as possible.

Special features

Tool-free blade change
Insert a new blade without tools, done in seconds.
Eyelet
For attaching to a belt, carabiner or lanyard so the knife stays within easy reach.
Knife type: safety knife
Safety knives are designed for continuous professional use — usually with an automatic or manual blade guard that prevents cuts when the knife is not in use. The standard choice in logistics, retail and production.

Technical data

Safety level
Level 0 + safety blade
Handle material
GRP
Blade type
K10526
Max. cutting depth (mm)
20
Blade change
Yes
Adjustable cutting depth
Yes
Suitable for left-handed users
Yes
Eyelet
Yes
Dimensions (L×W×H) mm
154 × 36 × 18
Weight (g)
99
Packaging unit
1 on blister card
Certificate
no
Article number
U10550
U10550-Keramik-Sicherheitsmesser-manuell-CURT-tools_1000
Dimensions: 154 × 36 × 18 mm — illustration is an example
Weight 99 g
Featherweight Pro Heavy
Size
Mini Standard Very large

Downloads & blade change

Everything about the Pen Cutter manual in two compact PDFs: the product flyer summarises features and applications – the technical data sheet provides dimensions, blade specifications and safety information. Both are free to download.

U10550 Flyer

Features, applications and technical data at a glance.

Download →

U10550 Technical data sheet

Technical data, blade change instructions and safety notes – DIN A4

Download →

Replacement blades

The Pen Cutter manual is supplied with a K10526 (ceramic blade with safety grind, rounded tip) – the K10528 also fits as an alternative. The knife accepts only this short ceramic safety blade in the Pen Cutter format – make sure it is compatible when buying. Overview of all trapezoid blades

Variants

The Pen Cutter manual shares its housing, ceramic safety blade and safety grind with the automatically retracting variants of the same series: Ceramic auto (comfort grip) and two versions with squeeze-grip (automatic and fully automatic). The only difference is the blade retraction – manual in three steps here, automatic or fully automatic on the variants. Choose the version that suits your preferred grip shape and retraction mechanism.

Alternatives

Besides the Pen Cutter manual, CURT offers further safety knives for different uses: the mini variant uses the same ceramic safety blade in a more compact design, and the bestseller US10 relies on automatic blade retraction with 2 cm cutting depth. For greater robustness the Carpet knife Premium with an all-metal housing is suitable, and for greater cutting depths the ceramic variant with an 8 cm long blade.

Accessories

Complement the Pen Cutter manual with matching small accessories: collection boxes for dull blades, lanyards as a safety cord, cutting rulers for precise cuts and holsters for safe storage.

Blade boxes

Blade boxes

  • for dull blades
  • special closure
  • in 4 sizes
Choose
Lanyards

Lanyards

  • “lanyard”
  • extra strong
  • up to 120 cm long
Choose
Cutting rulers

Cutting rulers

  • with steel edge
  • high quality
  • with finger guard
Choose
Belt pouches

Belt pouches

  • knife pouch
  • in 3 sizes
  • reinforced seams
Choose

Frequently asked questions

Frequently asked questions about the Pen Cutter manual – we answer them here in detail. If you have further questions we are happy to help you personally: To the contact form

Which replacement blades fit the Pen Cutter manual?
The Pen Cutter manual accepts only the short ceramic safety blade in the Pen Cutter format – the standard is the K10526, the K10528 also fits. Other blade formats are not compatible.
Is the Pen Cutter manual detectable?
The Pen Cutter manual is currently not certified as a detectable model. For applications with a detection requirement (e.g. food or pharmaceutical sectors) we recommend a certified CURT knife from our range.
Is the Pen Cutter manual suitable for left-handed users?
The Pen Cutter manual is suitable for left-handed users. The blade slider can be switched to the other side of the hand by a simple conversion.
Which safety level does the Pen Cutter manual have?
The Pen Cutter manual is formally classified as safety level 0 because the blade is retracted manually instead of automatically. Safety here comes from the safety grind of the ceramic blade itself – in practice the knife therefore performs clearly safer than a classic cutter knife of this level.

Notes