The OLFA XH‑1 is an extra heavy‑duty 25 mm utility knife with a fiberglass-reinforced body and wraparound rubber grip for superior comfort and durability. It includes an Ultra‑Sharp Black snap-off blade—25 % sharper than standard OLFA silver blades—secured by a stainless-steel channel. The ratchet-lock mechanism allows unlimited blade extension depth, and blades can be changed tool‑free. Ideal for demanding materials like laminates, rope, leather, plastic, and gasket materials.

Specifications:

• Blade Width: 25 mm (0.7 mm thick, extra heavy-duty)

• Blade Type: Ultra‑Sharp Black snap-off (Dual-honed)

• Handle Construction: Fiberglass-reinforced polypropylene with elastomer grip

• Overall Dimensions: 185 mm × 49.5 mm × 27 mm

• Weight: Approx. 0.36 lb (163 g)

• Model Number: XH‑1

• Use Cases: Cuts cardboard, laminates, plastics, leather, gaskets, cord, rope, tile underlay, etc.