• 3/8” Drive Spark Plug Socket
• Single hex (6 pt.) fastener end design
• Off-corner loading design reduces fastener rounding
• Large markings offer easy size identification
• 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
• Meets or exceeds ASME B107.110