Description: 【Premium Material】Electric drill adapter is made of high quality PVC and steel material, which is durable and sturdy, can be used for a long time. 【Features】Strong supporting force and load bearing force, not easily deformed and quick detach. 【Product】M10 or M14 screw drill adapter for polishing machine, angle grinder and electric drill. 【Multifunction】6.35mm Angle Grinder to Hex Shank provides an additional use for cordless or electric drills because it can be fitted with round cutting, grinding or polishing wheels. 【Wide Application】Electric Drill Adapter is suitable for Electric drill, Hand drill connection rod adapter rod. Size Chart: M10 2.2cmx6.3cm/0.87inchx2.48inch, Inner diameter 6.35mm/0.25inch, thread diameter 1cm/0.39inch M14 2.5cmx6.3cm/0.98inchx2.48inch, Inner diameter 6.35mm/0.25inch, thread diameter 1cm/0.39inch Package Includes:  1 Electric Drill Adapter Note: Please allow slightly errors due to manual measurement and different monitors.