... ,M251,M321,M702.M741,M2002,M1778,M2200,etc .Blade material Carbon steel ,65Mn steel Grip Wood ,Plastic ,PVC,Fiberglass Length16" 18 ... " 20" 22" Thickness 1.6mm 1.8mm 2.0mm 2.2mm Surface treatment Polished Packing Plastic bag ,Blister card ,Carton Special ...