8pcs ,the sizes included are 2 x 1/2'' drive, 2 x 3/8'' drive and 4 x 1/4'' drive, Material: CR-V
1.Suitable for a screwdriver or electric screwdriver handle tools (hexagonal hole or three-jaw chuck can) drive sleeve and after use can be installed on the size of the original hexagonal polygons converted to square head size, which can be used to install the sleeve is a good accessory to convert.
2.Suitable for quick change 1/4'' chuck systems or directly into drill chuck. Change your hand socket set into a driven socket set.
3.Spring loaded ball bearing on head holds sockets securely. This set is perfect for your impact driver or drill, and allows you to replace your ratchet with a power tool.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 2.5 inch
Height : 0.05 inch
Length : 4.02 inch

Item Weight: 13.44 ounce (View shipping rates and policies)
Shipping Weight: 14.4 ounce (View shipping rates and policies)

ASIN : B01N4L5MQB