Specifications: Material: HSS, Resin Black Resin Cutting Disc: 32mm / 1.26inch HSS Wood Cutting Disc: 25mm / 0.98inch Rotary Mandrel shank: 3.0mm / 0.12inch, 3.175mm / 0.13inch Weight: 91g Package included: 5 x 32mm Black Resin Cutting Disc 5 x 25mm HSS Wood Cutting Disc 5 x 22/25/32/35/44mm HSS Wood Cutting Disc 36 x Red Resin Cutting Disc 3 x Shank 3.0mm Rotary Mandrel 1 x Shank 3.175mm Rotary Mandrel