Tien-I Impact Socket Made from forged and heat treated Chrome Molybdenum Steel (CR-MO) with a corrosion-resistant black phosphate finish (Manganic)
The Impact Socket with High-torque, 6-point socket design grips the flat sides of fasteners, not just the corners, preventing round-off
Complete Sizes for SAE and Metric system
High-contrast permanent laser etched size markings are easy-to-read, even in low light
Tien-I Impact Socket meets or exceeds ANSI & DIN & ISO performance standards