Extrema Ratio BD4 R BLACK penknife.

The BD4 R is the new everyday knife from Extrema Ratio. It has a slim, elegant and compact design. Its design represents the classic Italian style: elegant and functional.

It has a good-sized 12 cm blade made of Böhler steel, which combines strength for the most demanding cutting tasks with easy carrying due to its size. It also features a Liner Lock that will lock the blade in place, providing safety and comfort while in use.

• Weight: 130 g
• Blade length: 123 mm
• Overall length: 280 mm
• Blade thickness: 3 mm
• Blade material: Böhler steel N690 (58HRC)
• Blade finish: MIL-C-13924 Burnished
• Handle material: anti-corodal anodised aluminium