Strong Construction: Heavy duty compact and lightweight zinc alloy casting for long-lasting durability; 2 flare groove rollers for precision cuts operation. Adjustable to the following dimensions: 3mm to 30mm (1/8in to 1-1/8in). Come with fold-away deburrer for longtime use and cleaner cuts without burrs; ergonomic knob provides better grip, amplifying your stength and allowing you to easily control the cutting pressure. Clean and Precise Blades: The vacuum heat-treated blades makes cutting easy and smooth with higher efficiency and less burrs, extremely sharp and durable for fast and safe cutting(spare cutting wheel included). Easy Operation: Twist the knob to adjust cutting diameter and complete cutting; non-slip ergonomic design allows better handling and powerful turning, adding comfort and making everything under control. Wide Application: Perfect for cutting copper, aluminium, brass, thin stainless steel pipes, PVC and other thin pipes or tubes; a good tool to help professionals or beginers' work significantly easier and more manageable..Items from Sheng Xinshun's shop