105Pcs for Screws Repair Kit Tool & 42 Pcs Rotary Cutting Wheels Tool Kit1.Made of high quality materials. 2.Cutting plastics requires very slow speeds; wood requires low speed cutting. If jitter occurs, increase the speed.3.(1/8 inch / 3.2 mm) mandrel as much as possible for small size saw blades.4.prevent breakage more effectively; High working efficiency and perfect cutting effect.5. suitable for cutting wood, plastic, gemstone, glass, ceramic, stone, aluminum and copper.stainless steel washers:type: washerColor: silverMaterial: 304 stainless steelMetric Size: M3 M4 M5 M6 M8 M10Quantity: M3x20pcs, M4x20pcs, M5x20pcs, M6x15pcs, M8x15pcs, M10x15pcsd1 = internal diameterM3=3.2mm, M4=4.3mm, M5=5.3mm, M6=6.4mm, M8=8.4mm, M10=10.5mmd2 = outer diameterM3=7mm, M4=9.0mm, M5=10.0mm, M6=12.0mm, M8=16.0mm, M10=20mmt = thicknessM3=0.5mm, M4=0.8mm, M5=1.0mm, M6=1.6mm, M8=1.6mm, M10=2.0mmhigh speed saw blade:Before installing the spindle, check whether the machine is running normally, whether it is cracked or deformed.Please use the Spanner to tighten when using and DO NOT tighten the chuck too strong to lock the spindle.HSS Saw Blades Dia: 22mm, 25mm, 32mm, 35mm, 44mm, 50mmDiamond Cutting Disc Dia: 25mmResin Cutting Wheel Dia: 32mmColor:As shownMaterial:High speed steelPackage Contents:105 * stainless steel washers6 * high speed saw blade20 * double mesh slice10 * Emery 8-hole slice5 * connecting rod1 * storage boxOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.