1/2" Dr. 12pt. Socket (S.A.E.) 5/16" (ST13501SC, SATA)

Double hex (12pt) fastener end design
Off-corner loading design reduces fastener rounding
Large markings offer easy size identification
Double line (SAE) & knurled line(MM) to easily identify standard and metric sockets
Manufactured to industrial specifications assuring a thin wall design with precise nut end dimensions
Heat treated for long lasting durability
Bright, full polish chrome finish easily wipes clean and resists corrosion
Chrome vanadium alloy steel (Cr-V) for exceptional strength and durability