8 - Tamper Torx Bits: T8H, T9H, T10H, T15H, T20H, T25H, T27H, T30H. 8 - Torx Bit Sockets: T8, T9, T10, T15, T20, T25, T27, T30. Professional socket set 1/2" 1/4" 3/8" 172 pieces. S2 steel is harder done traditional 8650 steel and gives for bits exceptional life span.
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