Adaptor for square to hexagon. Suitable for the take-up of bits with 5/16" hex head drive as per DIN ISO 1173-C 8. Drive: 3/8" square socket; comes with particularly strong retaining ring.
FEATURES:

• 3/8" adaptor
• Suitable for bits with 5/16" hexagon drive (Wera connecting series 2)
• Equipped with ball stop groove
• 3/8" square socket drive
• Extra-strong