✦ Cuts copper,brass,aluminum and tin-walled conduit ✦ Lightweight aluminum body with zinc alloy turning knob ✦ Blade material: SUJ2 steel ✦ Cutting capacity:3~35 mm(1/8"~1-3/8") ✦ 4 grooved rollers and pull-out deburring tool ✦ Included 1pc spare cutting blade