Cutting wide: 1.8-3.2mm Hole dimater: 20, 20/25.4/30mm Teeth number: 20,30,40,60,80,100,120 ... .5-3.0mm Packing detailes: 4" Meas: 54*27*31/200PCS. G. W: 18kgs, N. W: 17KGS Cutting wide: 1.8-3 ... .2mm Hole dimater: 20, 20/25.4, 25.4/30mm Tooth number: 20T, 30T ... 80T 100T 120T18"4503.0 4.225.4/30 40T 60T 80T 100T 120T20"5003.0 4.225.4/30 40T 60T 80T 100T ...