GearWrench 80304S 13-Piece 1/4-Inch Drive 6-Point Mid Length Socket Set Metric Access with these sockets are intended for use Strength with Surface Drive contact points virtually eliminate the rounding of fasteners Angled entry guides the socket on to the fastener Double line (SAE) & knurled line (mm) to easily identify standard versus metric sockets Large hard-stamped size on both sides for fast, easy identification