The Wera 898/9 Halfmoon Shank Combination Screwdriver Bit Holder is a precision bit holder designed to accept both 4 mm halfmoon drive bits (Wera series 9) and 4 mm HIOS drive bits (Wera series 21) within a single, versatile tool. Its quick-release chuck allows for fast, secure bit changes without interrupting workflow — ideal for tradespeople working across multiple fastener types on the same job. The 4 mm halfmoon drive shank ensures a positive, reliable connection with compatible power tools and screwdrivers. At 50 mm in length, this combination bit holder is a practical addition to any professional toolkit, particularly for engineers, assembly technicians, and tradespeople who regularly work with Wera series 9 or series 21 bits. Features and Benefits: • Compatible with 4 mm halfmoon drive bits (Wera series 9) • Compatible with 4 mm HIOS drive bits (Wera series 21) • Quick-release chuck for fast, secure bit changes • 4 mm halfmoon drive shank for positive tool connection Contents: 898/9 Combination Bit Holder, 50 mm Specifications: Length: 50 mm Drive Size: 4 mm halfmoon

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