Klutch Mechanic's Socket Set - 97-Pc., 1/4in., 3/8in. & 1/2in. Drive Chrome vanadium sockets with polished chrome finish and hi-vis markings for easy reading Teardrop quick-release ratchets have pushbutton release for fast, easy socket changes Sidewall drive sockets apply force to the walls of the fastener instead of the points, resulting in longer fastener life 1/4in. Sq. Drive Sockets - (9) 6-pt. SAE: 5/32in.-7/16in.; (12) 6-pt. metric: 4-13mm; (4) 6-pt. deep SAE: 1/4in.-11/32in.; (4) 6-pt. deep metric: 6-9mm3/8in. Sq. Drive Sockets - (10) 6-pt. SAE: 5/16in.-7/8in.; (13) 6-pt. metric: 8-22mm; (5) 6-pt. deep SAE: 3/8in.-5/8in.; (5) 6-pt. deep metric: 10-17mm; (2) Spark plug sockets: 5/8in., 13/16in.1/2in. Sq. Drive Sockets - (4) 6-pt. SAE: 13/16in.-1in.; (3) 6-pt. metric: 20, 22, 24mmDrive Tools - (3) Teardro 3/8in. Sq. Drive Sockets - (10) 6-pt. SAE: 5/16in.-7/8in.; (13) 6-pt. metric: 8-22mm; (5) 6-pt. deep SAE: 3/8in.-5/8in.; (5) 6-pt. deep metric: 10-17mm; (2) Spark plug sockets: 5/8in., 13/16in.1/2in. Sq. Drive Sockets - (4) 6-pt. SAE: 13/16in.-1in.; (3) 6-pt. metric: 20, 22, 24mmDrive Tools - (3) Teardro