"Specially heat-treated to provide continuous impact use","Enhanced 6-point contact design with socket teeth that grip the flat sides of the fastener to drive a nut that is 70% rounded off","Easier identification with high-visibility laser and impression stamped size markings","Get the job done easier with a unique non-slip design that protects and works on 6-point, TORX and 70% rounded off nuts and fasteners","Includes sizes: 3/8\", 7/16\", 1/2\", 9/16\", 5/8\", 11/16\", 3/4\" 3/8" DRIVE 7 PIECE SAE PRO NON-SLIP IMPACT SOCKET SET SBDPA7R | Matco Tools