Remora??? Hydralloy??? Blunt Tip - YellowSmall size, attachments for belt, hose or fabric and no maintenance design make the Remora the emergency knife for all divers Small size (7 inches total) Attaches permanently to B.C.or regulator hose so you won"t forget UK"s own HYDRALLOY??? steel blade for durability and co/rrosion resistance Seratted knife cuts through rope & fishing line Sheath attachment kit included for BC strap, pocket or 1/2 inch air hose UK Model 30131 - Blunt Tip, Yellow Hydralloy???