857/4 Z Spanner bits
Wera 857/4 Z Tough Bit, for spanner screws.
Tough-absorbing Wera (Z) bits are designed to prevent any premature breakage of the drive tip. The ductile and tough bit is great for use with hard materials.
1/4" Hexagon drive makes it suitable for DIN ISO 1173-D 6, 3 bit holders.
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