Each socket features SUPERTORQUE lobular openings
CROWN P/N: 21316 (WW SAYS 6" NOT 5 1/2")
SUPERTORQUE® Lobular Openings: Force on fastener flats — no rounding
Spiralink™ couplers are warrantied to be free from defects in material and workmanship and are guaranteed against breakage when properly installed in equipment for which they are recommended
The Williams WS-4-19RC is a high-quality 19-piece 1/2" Drive 6-Point SAE Shallow Socket Set designed for both professional mechanics and DIY enthusiasts
Socket Set on Rail and Clips 1/4" Drive 6-Point Metric Shallow 12 pc - Williams Each socket features SUPERTORQUE lobularA 12 piece 1 4" drive 6 point metric shallow socket set in 4 14 mm built for mechanics, auto techs, and maintenance workers who need full metric coverage on a 1 4" drive. SUPERTORQUE lobular openings apply force to fastener flats to prevent rounding under torque; high polish chrome finish resists corrosion. Sockets on rail with clips for organized, quick access storage. Metric Sizes: 4, 5, 5. 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 mm Drive: 1 4" square