12-pc. 1/4" Drive Universal Swivel Impact Socket Set - Metric

Drop forged, heat treated, CR-MO steel w/phosphate finish Spring loaded swivels help keep socket at the correct angle Radius corner design contacts only flat surfaces of fastener head to eliminate rounding off corners Contents: 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15mm