Wera 840/1 ZBO Hex Pinned Security Bit Extra Tough

This Wera 840/1 ZBO bit is supplied in a 3mm hex size with a 25mm length, a popular mid-range size well suited to hexagon socket BO security screws found across a wide variety of industrial and mechanical applications. From access panels to equipment housing, the 3mm drive covers a broad scope of tamper-proof fastening work. The Hex-Plus profile maximises the contact area between bit and screw head, cutting the risk of rounding and extending the working life of both the bit and the fastener. Ext