For cutting thick objects, Material: Body: Elastomer resin, Blade: SK120 (formerly SK2), Screw-Lock Type, Color: Yellow, Total Length: 6.1 inches (155 mm), Blade Length: 3.9 inches (100 mm), Blade Width: 0.02 inches (18 mm), Blade Thickness: 0.02 inches (0.5 mm), Weight: 3.3 oz (86 oz (8 g) Heavy duty thick blade holder, pitch feed mechanism that prevents blade from sliding