BISON GEARS Kiridashi Pocket Knife was inspired by Japanese Kiridashi Knife in order to build a beautiful aesthetic pocket knife. BISON Kiridashi knife is 5 mm (0.20 in) thickness and made by 8CR13MOV stainless steel, 0.15 oz, and just 35 mm (1.38 in) and 60 mm (2.46 in). It is a single bevel knife with finger ring to hold on your hands. The SAYA (Case) holds and pivots BISON Kiridashi Knife. Five different color options of SAYA, Summer Orange, Baby Blue, Cool Black, Snow White and Military Green.