Sockets standard length, 1/2". Twelve point, metric. Not suitable for machine use. High-alloy quality steel. Polished high-gloss. Toothed. ISO 2725/1174. DIN 3124/3120.
Strengths
Less wear of the fastener thanks to Dynamic-Drive™ profile|Maximum load distribution and torque from the additional flank area|Knurled shank for finger turning of free running fasteners|Not suitable for use with power tools