Design: With an ergonomic pen design, it can be used to crevice, sand, polish comfortably, quickly for long-term use. Connection: Just make sure the electric grinder or the electric drill can be clamped to the size of 3.2mm / 1/8", then this rod can be connected. Easy to install: It is easy to clamp the electric grinder with the connector handle . Usage: It can work with polishing kit, drill bit, wire brush, etc. Product Description Features: With ergonomic design, it can be used for envy, sand, polish comfortably.Just make sure the electric grinder or electric drill can be attached to the size 3.2mm / 1/8" , then this rod can be connected. Contents: 1 x electric drill cable extension chuck. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.