Introduce of a 3 inch mini bench grinder 3 inch mini bench grinder Has several characteristics Multi functions such as grinding, polishing, drilling, carvingPortable, easy carry Single phase motor with stepless speed control and high speed Powerful motor 150w,but have With flexible shaft.A good grinder will help you produce high-quality results and through the use of basic design features.Products function: Garbage bin Expand functionality Speed setting Power switch Match accessoryProduct Description Voltage:100-120V/220-240V Frequency:50/60Hz Max input power:100W Speed:3000-9000rpm Wheel size:50mm Shaft length:990mm Chuck size:2.5-3.2mm Certification:GS,EMC Carton size:485420180mm Color box size:220190160mm Qty:4pcs G.W:8kgs N.W:7kgs