Usage Tips:You will receive 6 pieces of impact socket adapters, sufficient quantity to meet your use and replacement. Our drill socket adapter kit is made of premium 40CR-V steel, reliable and sturdy, not easy to break or deform, can serve you for a long time. Designed with 3 models you can choose, including 1/4 inch/64.6mm, 1/2 inch/50mm and 3/8 inch/64.1mm. Our products can be used with electric tools, pneumatic tools or drive tools for quick installation. Convenient for you to quickly change the drill bits. These impact driver conversion adapters are easy to use. Just press the drill bit inwards to ensure it is stable. Colour:As Shown Material:steel Package Contents: 1set * socket drill adapter Only the above package content, other products are not included. Note: Light reflection 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.