BLADE HEX 4MM 4.72"
4mm 六角形 刀片，双端 4mm 驱动 4.72"（120.0mm）
得捷:
BLADE HEX 4MM 4.72"
艾睿:
SYSTEM 4 Drive-Loc Hex and Ball End Hex Reversible Locking Blade. 4.0mm and 4.0mm. High alloy chrome-vanadium-molybdenum steel, hardened, hard chromed. On 4mm hex shaft