The Wera 898/4 is a combination screwdriver bit holder designed to accept both 4 mm halfmoon drive bits (Wera series 9) and 4 mm HIOS drive bits (Wera series 21) via a single, versatile chuck. With a 1/4" hexagonal shank conforming to DIN ISO 1173-F 6.3, this bit holder is fully compatible with standard power screwdrivers and impact drivers that use the universal 1/4" hex drive system. It forms part of Wera's connecting series 4, making it a natural companion to their wider range of precision bits. The quick-release chuck allows for fast, tool-free bit changes during work — a practical advantage when switching between fastener types on site. The 50 mm length provides a useful working extension suitable for a range of assembly and fastening tasks. 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 rapid, tool-free bit changes • 1/4" hexagonal drive (Wera connecting series 4) — suits power screwdrivers to DIN ISO 1173-F 6.3 Contents: 898/4 Combination Bit Holder, 50 mm Specifications: Drive: 1/4" hexagon (F 6.3) Compatible bit drive types: 4 mm halfmoon (series 9), 4 mm HIOS (series 21) Length: 50 mm Standard: DIN ISO 1173-F 6.3
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