For cutting thick objects, Material: Body: ABS, Holder: Stainless steel, Blade: SK120 (formerly SK2), Color: Yellow, Total Length: 6.5 inches (165 mm), Blade Width: 0.02 inches (18 mm), Blade Thickness: 0.02 inches (0.5 mm), Weight: 2.8 oz (77 g), Auto-lock type (6.3 kg) with blade folder, replaceable blades can be stored in the main unit).