20 piece assortment of popular bit types and sizes for a wide variety of applications.
Dimensions of 4x28mm and 4x45mm screwdriver heads to meet different requirements of maintenance work.
Screws, drilling, and threading are multi-functional to meet your different work needs.
Applicable to Wowstick series screwdrivers and other brands of screwdrivers, etc.
Material: S2 steel
Bit size: 4x28mm/4x45mm
20 x X2 Screwdriver Bit Set