Cuts 1/8-in to 1-1/8-in OD tubing. Quick release open and close. Includes one extra blade stored in the knob. Cuts copper, brass, aluminum, and thin-wall conduit. Thicker cutting wheel means more stability, less wobble and straighter cuts. Durable, zinc alloy body. Compact design is ideal for tight spaces. Replacement cutting wheel sold separately (item#2146975)