Wera 780B/2S Extra Strong 3/8" Square Drive to 5/16" Hex Screwdriver Bit Holder

The Wera 780B/2S is an extra strong adaptor designed to convert 3/8" square drive tools to accept 5/16" hexagon screwdriver bits. This professional-grade adaptor enables tradespeople to use their ratchets, torque wrenches, and other square drive tools with hex bit accessories, providing versatility across different fastening applications. Manufactured to DIN ISO 1173-C 8 standards, this adaptor is compatible with Wera connecting series 2 bits and features a particularly strong retaining ring for secure bit engagement. The ball stop groove provides reliable retention during use, whilst the extra-strong construction ensures durability in demanding workshop and site environments. Ideal for mechanics, engineers, and maintenance professionals who need to switch between square drive sockets and hex bits without changing tools. The 30mm length provides adequate clearance for most applications whilst maintaining compact tool dimensions. Features and Benefits: • 3/8" square socket drive for compatibility with standard ratchets and torque wrenches • Accepts 5/16" hexagon drive bits (Wera connecting series 2) • Extra-strong construction with particularly strong retaining ring • Ball stop groove for secure bit retention • Manufactured to DIN ISO 1173-C 8 standards Contents: 780 B 3/8" Adaptor, 780 B/2-S x 5/16" x 30 mm Specifications: Drive size: 3/8" square socket Bit compatibility: 5/16" hexagon Length: 30mm Standard: DIN ISO 1173-C 8