Features: Made of high quality diamond and high speed steel, these cutting discs are quite durable. This set contains many cutting discs in different diameters for various needs. High speed steel discs teeth are very sharp which ensure fast and fluent cutting. There are many cutting discs in one set so that you can use for a long time. Comes with 5 mandrels which will fit for many electric rotary tools. Specifications: Main Material: Diamond, HSS Cutting Disc Diameter: 22mm, 25mm, 32mm, 35mm, 44mm Weight: 80g(approx.) Package Includes: 10 x Diamond Cutting Discs (25mm) 5 x HSS Cutting Discs (22/25/32/35/44mm) 10 x Resin Cutting Discs (32mm) 5 x Mandrels 1、Made of high quality diamond and high speed steel, these cutting discs are quite durable 2、This set contains many cutting discs in different diameters for various needs 3、High speed steel discs teeth are very sharp which ensure fast and fluent cutting 4、There are many cutting discs in one set so that you can use for a long time 5、Comes with 5 mandrels which will fit for many electric rotary tools