Hex Bit Socket Set 1/4" Drive 7 Pieces Allen Key Socket Set Metric 4Mm - 12Mm S2
Material S2 Steel. Drive Bit Shank Style Hex. Heat treated S2 alloy steel bits. S2 Alloy Steel Bits. To change the nuts,wheel bearings,tighten a screw ect. Drive System Internal Hex. Drive system Internal Hex.