Micro-granular TCT for durability. HS 1-9, I 1-56, KA27-28, KW1-17, PA20-49, PA62-77, PA60-61, PA78, PH17-26, PH-30-44, PH49-50, ZE1-3, BT1-94, IM1-9, IM99, TR21-25, Isle Of Wight. Safety K-Mark indicates the correct cutter shank position for maximum collet grip to prevent accidental cutter ejection.
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