Wera 784 B 3/8" Adaptor with Quick-Release Chuck

Adaptor from square to hexagonal. Comes with quick-release chuck for rapid bit change. Suitable for the attachment of bits with 1/4" hexagon drive as per DIN ISO 1173-C 6.3. Features: Application: Suitable for 1/4" DIN ISO 1173-C 6,3 and 5/16" DIN ISO 1173-C 8 hexagon insert bits and Wera Series 1 and 2 Design: With Wera quick-release chuck Drive: 3/8" female square 3/8" adaptor with quick-release chuck Suitable for bits with 1/4" hexagon drive (Wera connecting series 1) Equipped with ball stop groove