Wera 3868/4 Square-Plus Bit, Stainless, # 3×89-mm.

• Solution to the extraneous rust problem: fasten stainless screws with stainless tools
• Vacuum ice-hardened
• Suitable for square head socket screws
• 1/4″ hexagon drive (Wera connecting series 4)

Application:Square socket screws
Drive:1/4″ hexagon, suitable for DIN ISO 1173-F 6.3 bit holders
Design:Stainless steel for minimising rust

Includes:

• 3868/4 Square-Plus bits, stainless, 3 x 89 mm