Inlaid Carbon Alloy Tool Steel; for serial numbers 30188 and up: G, TCM, MPS, and for serial numbers 251 and up: all LED, PB, CRT; 42" Alloy Tool Steel Cutter Knife for Challenge Cutters 420 Series; 43 lbs./20 kg; 42"/107cm.
Inlaid Carbon Alloy Tool Steel; for serial numbers 30188 and up: G, TCM, MPS, and for serial numbers 251 and up: all LED, PB, CRT; 42" Alloy Tool Steel Cutter Knife for Challenge Cutters 420 Series; 43 lbs./20 kg; 42"/107cm.