Maxam® “Falcon IV” Lockback Knife on a Key Chain. This handy knife on a key chain features an extra sharp 1-7/8", 420 surgical stainless steel half serrated blade to cut cord or twine easier and lightweight Leymar™ handle. The thumbhole allows one-handed opening with either the left or right hand. Measures 4-1/2" long opened and 2-1/2" closed. Lifetime warranty. Gift boxed 1 lb.