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