[Multi-function] 3Pcs1/4 3/8 1/2inch square nut hexagon handle screwdriver bit is used to install pneumatic screwdrivers, electric screwdrivers, pneumatic drills, manual screwdrivers and other hexagonal tools. It is a good conversion accessory. Suitable for universal socket, impact adapter and reducer set, universal joint set, socket adapter and drive reducer set, drive impact sleeve extension rod set, drive impact socket set [Easy to use] 105 degree angle extension, 360 degree parallel adjustment, perfect hand-held tool suitable for hard-to-reach corners and small spaces, maximum torque 15n/m, good holding power, this right-angle drill accessory is easy to use and not easy to fall off [Colorful]: Easy to choose: different color-coded rings are clear to help quickly choose the right one. Our products are the latest upgrades, and the quality is super good. Dad/Father, Husband, Boyfriend, Man, DIY color:Silver + black Material:Metal Package Contents: 8 x black steel ball extension rod 4 x reducing sleeve 3 x universal joint 3 x color steel ball connecting rod 2 x short turn Only the above package content, other products are not included. Note: Light 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.