High Quality: The saw handle is made of High-quality materials, which is hard, durable and has a smooth surface. Made from sturdy High-quality materials, the saw blade is durable and sharp, making it Perfect for cutting PVC and plastic pipes. Easy to use: The internal plastic pipe cutter is designed with a serrated blade for fast cutting. The pipe cutter is suitable for standard 3/8inch drill bits and is very easy to install and replace. It is not only suitable for cutting but also suitable for work scenarios that require cutting pipes from the inside.It is very convenient to install and replace, see the pictures for parts installation. Unique Design: The internal pipe cutter comes with an adjustable guide rail as a depth gauge, you can set the guide rail to maintain the blade cutting distance and make sure to keep the drill bit straight to cut at right angles, get precise and perfect results of cutting the pipe every time. Warm Tips: Make sure the label side of the blade is facing up, so that the arrow is in line with the forward direction of the drill bit (making it rotate clockwise to cut) to prevent the shaft from loosening while working. Material: plastic+metal colour: Silver Package Contents: 1 x Cutting Positioner with Hex Shank 6 x saw blades (22mm/25 mm/32mm/35mm/44mm/50mm) 3 x 60/80/120# Sandpaper 1 x small Wrench 1 x Screwdriver 1 pair x Gloves(randomly colored. Cannot be chosen the specific color.)