Descriptions:This electric polishing kits has 55pcs tools, including resin cutting disc, HSS wood cutting disc, rotary mandrel. Resin cutting disc for metal cutting off, HSS cutting disc for wood cutting, so with this too set, you can use it to cut both wood and metal.Features:This electric polishing kits has 55pcs tools, including resin cutting disc, HSS wood cutting disc, rotary mandrel.Resin cutting disc for metal cutting off, HSS cutting disc for wood cutting, so with this too set, you can use it to cut both wood and metal.Fit for rotary tools, great for detail work, including hard and delicate materials.Easy and safe to operate, and also convenient to replace the broken one.This item included 55pcs, with this practical rotary tool kit, it will make your diy or repairing work smooth.Specifications:Material: HSS, ResinBlack Resin Cutting Disc: 32mm / 1.26inchHSS Wood Cutting Disc: 25mm / 0.98inchRotary Mandrel shank: 3.0mm / 0.12inch, 3.175mm / 0.13inchWeight: 91gPackage included:5 x 32mm Black Resin Cutting Disc 5 x 25mm HSS Wood Cutting Disc5 x 22/25/32/35/44mm HSS Wood Cutting Disc36 x Red Resin Cutting Disc3 x Shank 3.0mm Rotary Mandrel1 x Shank 3.175mm Rotary Mandrel