INSERT BIT, APPLICATION - TOOLS POWER, BIT STYLE TAMPER RESISTANT TORX(R), FASTENING TOOL TIP SIZE TR15, SHANK STYLE HEX, HEX SHANK SIZE 1/4 IN, SINGLE END, FASTENING TOOL MATERIAL S2 STEEL, OVERALL BIT LENGTH 1 IN, SAE, FINISH UNFINISHED, IMPACT RATED NO, FOR USE WITH BIT HOLDER, INSERT BIT, PACKAGE QUANTITY 5