RESCUE HOOK, FB, W/ O2 WRENCH. This Benchmade knife is the Benchmade Model 5 Rescue Hook Knife; a compact tool that cuts through most any fibrous material quickly and easily. This Benchmade Model 5 Rescue Hook Knife features single piece 440C stainless steel construction, with a Rockwell hardness of 58-60, and a satin finish. The safety tip cutting hook has a .5" opening. The finger hole handle of this Benchmade knife has positive finger treads along the spine for secure grip, an integral O2 wrench, and a lanyard hole. A molded black Delrin snap fit sheath is included with this Benchmade knife. The Benchmade Model 5 Rescue Hook knife has an overall length of 2.9" and weighs 1.2 ounces. Made in the USA.