SK 3/8" Drive Impact Socket Set, Deep Metric Sockets, 13-Piece 8 to 21mm

SK 3/8" Drive Impact Socket Set, Deep Metric Sockets, 13-Piece 8 to 21mm

• Forged from premium CR-MO steel, heat treated with durable black phosphate finish, which provides superior strength and corrosion resistance
• SureGrip drive design drives the side of the fastener, not the corner, to provide increased strength and avoid rounding or damage to the fasteners
• 3/8 " Drive deep high visibility impact sockets -8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21 mm, with color-coded rings - Green for METRIC - for easy identification
• Aluminum storage rails to keep sockets organized, ball bearings to secure them in place, and 360° rotating socket clips for easy identification
• A century of heritage, SK is committed to delivering high-quality products crafted for exceptional durability and performance to American professionals