... type 3.Rear exhaust. 4.Long durability,lightweight Air Die Grinder KitUsed for porting polishing,grinding,deburring,smoothing sharp edges and ... Length: 140 mmNet Weight: 0.5 kgs16 Pcs Air Die Grinder Kit:1 pc--Air Die Grinder2 pc--hand wrenches1 pc ... grinding stones1 pc--nipple1 pc--blow mold case Air Die Grinder Kit