It is used for screwdriver bit,socket adapter,step drill,chamfer converter. Size:1/4" square hole to 1/4" 6.3mm. There are slight difference between the picture and the real item caused by light brightness,hope you can understand.
This product would be ideal for users who require a compatible screwdriver bit adapter holder socket for their 2Pcs 1/4" square hole screws, specifically designed to use with 1/4" 6.3mm hex screwdriver bits.
