PREDATOR SQR Mini Stainless Steel Knife - Blunt Tip The ultimate BCD or safety knife. The Ocean Design Predator SQR Mini Knife is made from super strong 420 Stainless Steel with the most effective locking mechanism available today. SQR (secure quick release) locking mechanism Fits any BCD Line cutter Serrated top edge for sawing Blunt tip for your safety 420 Stainless Steel (Hardness Rockwell C-Scale) Self draining hardened plastic sheath Sure hand grip with lanyard hole Blade length:80mm Overall knife length:180mm Weight:125g (knife & sheath) OPTIONAL Neoprene Sheath (pictured) available (KN10320 Predator TAC Neoprene Sheath) Care and Storage Instructions After use, wash in fresh water and allow to dry in a well ventilated area out of direct sunlight Store in a well ventilated dry area away from direct sunlight