Description:

• 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, # 1 x 3-1/2" (89 mm)