This page is an automatic translation of the German original. The German text is the binding version. View German original

Safety knife Klever Kutter

Art. no. H035O

At a glance

  • maximum personal protection
  • 100% goods protection
  • very handy
  • without blade change
  • for single-wall cartons, film, strapping and more
Safety knife Klever Kutter
1.96€ net · excl. VAT
VersionArt. no.Net price
OrangeH035O1.96€
RotH035R2.09€

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 discount
from 20 pcs. (−3 %)
from 50 pcs. (−6 %)

Safety knife Klever Kutter – with concealed blade

Cutting depth 3.3 mm | plastic housing | narrow cutting channel

Klever Kutter orange KCJ-1G is a level 3 safety knife with a concealed blade. Finger contact with the blade is not possible before, during or after the cut.

The housing is made of glass-fibre-reinforced plastic and weighs only 17 g – so the knife is designed for light use of up to 100 cuts per day.

Thanks to the symmetrical wave shape, the knife can be used on both sides without modification – also suitable for left-handed users. At only 17 g it also falls into the featherweight class (< 50 g), which allows fatigue-free work even with frequent changes of grip.

The knife is suitable across industries – from logistics and branch retail through food & pharmaceuticals to production and construction/trades – and reliably cuts strapping, stretch film, adhesive tape, sacks and cords. Safety knife overview

Highlights

  • Maximum finger protection: concealed blade (safety level 3)
  • Robust and light at the same time: housing made of glass-fibre-reinforced plastic
  • Particularly shallow cutting depth: only 3.3 mm – narrowest cutting channel in its class
  • Ready for immediate use: disposable knife without blade change, both sides of the blade usable
  • Very light handling: housing weighs only 17 g (featherweight class)

Applications & cutting materials

The Klever Kutter shows its strength with strapping and stretch film – it cuts these very well. It separates adhesive tapes and plastic cords just as reliably. It is suitable for thin corrugated board, sacks, non-woven fabric, PVC and rubber film. The narrow cutting channel is not designed for polystyrene and ropes.

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

Knife know-how

The Klever Kutter is a piece of BoxCutter history: it co-founded the design of the concealed mini blade, which more than twenty imitators still follow today. What sets it apart technically – and where its limits lie – is shown honestly and clearly in this overview of safety, handle, ergonomics and blade.

Further features

Safety

Without snap-off segments
Continuous blade without predetermined breaking points, no risk of a segment breaking off uncontrolled.
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.
Weight < 50 g
Feather-light, barely noticeable when carried all day, for example on a belt or in the hand. This model weighs 17 g.

Blade

Carbon steel
Higher sharpness and longer edge retention than stainless steel. Ideal for dry environments with a high cutting frequency.
Uncoated
Constant basic sharpness without coating wear, cost-efficient and proven. The most economical choice for standard applications.
High initial sharpness
Especially sharp from the first cut, ideal when maximum cutting performance is needed immediately.
Long edge life
Much longer service life until the next blade change than standard blades. Reduces change intervals and blade consumption in intensive use.

Special features

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 3 (highest category)
Handle material
GRP
Blade type
Carbon steel
Max. cutting depth (mm)
3.3
Blade change
No
Suitable for left-handed users
Yes
Eyelet
Yes
Dimensions (L×W×H) mm
119 × 33 × 4
Weight (g)
17
Packaging unit
1 loose
Certificate
no
Article number
H035O
Safety knife Klever Kutter
Dimensions: 119 × 33 × 4 mm — illustration is an example
Weight 17 g
Featherweight Pro Heavy
Size
Mini Standard Very large

Downloads & blade change

All technical data, the suitable cutting materials and the safety features of the Klever Kutter are summarised in the product flyer. The PDF is available to download free of charge and serves as a compact overview for purchasing and occupational safety.

H035O Flyer

Features, applications and technical data at a glance.

Download →

H035O Technical data sheet

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

Download →

Variants

The Klever Kutter is available in two special versions for particular requirements: a detectable variant (H035MDP) with metal-detectable plastic for food and pharmaceutical production, and an antimicrobial version (H035 Kleen) whose plastic inhibits the growth of germs. Both share the design and operation of the standard model.

Alternatives

If you are looking for a sturdier BoxCutter for more demanding applications, there are strong alternatives: the Tortoris US53 won our BoxCutter test 2025 with the lowest force required, the OLFA SK-15 became the best-value winner. If you would rather change the blade than replace the whole knife, choose the CB100. All three cut with noticeably less force than the Klever Kutter.

Accessories

The Klever Kutter can be complemented with matching accessories: a collection box for the safe disposal of dull disposable knives, a lanyard for attachment to the integrated eyelet, a cutting ruler with a steel edge for precise cuts and a holster for quick access in goods receiving.

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 Klever Kutter: from the safety level and the narrow cutting channel through the suitable materials to the differences from newer BoxCutters such as the US53 and the OLFA SK-15.

Why is the Klever Kutter considered particularly finger-safe?

With 3.3 mm, the Klever Kutter has the narrowest cutting channel in its class. There is so little space between handle and protective hook that a finger cannot structurally reach the concealed blade. In pure finger protection it is therefore among the safest BoxCutters of all.

Which materials is the Klever Kutter suitable for?

The Klever Kutter specialises in strapping and stretch film and also cuts adhesive tapes and plastic cords very well. Thin corrugated board, sacks, non-woven fabric and PVC and rubber film can also be cut. The narrow cutting channel is not designed for polystyrene, ropes or thick cardboard.

Can the blade be changed on the Klever Kutter?

No, the Klever Kutter is a disposable knife without blade change. Because both sides of the blade are used, it achieves around 910 cuts. Once the blade is dull, the complete knife is replaced – resharpening or blade change is not intended.

What distinguishes the Klever Kutter from the Tortoris US53 and the OLFA SK-15?

The Klever Kutter is the historic pioneer of this design, but at 35 N it needs noticeably more cutting force than newer models. The US53 (20 N) and the OLFA SK-15 (25 N) cut more easily and performed better in our BoxCutter test. For pure finger protection, the narrow channel of the Klever Kutter nevertheless remains remarkable.

Is the Klever Kutter also available as a detectable or antimicrobial version?

Yes. The Klever Kutter is available as a detectable variant (H035MDP) for food and pharmaceutical production and as an antimicrobial version (H035 Kleen). Both correspond in design and operation to the orange standard model.

Notes