A TS4 Wiha ZOT Torsion Bit - Torq-Set®, Style C 6.3, for use with TORQ SET® screws. TS4, length 25mm High-quality chrome-vanadium steel, through-hardened, hard but elastic Torsion zone for protecting against premature breakage of bits under load DIN 3126, ISO 1173, style C 6.3 For use with Torq-Set® security screws .
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