WILLIAMS 1/2 drive socket 12-sided 21mm JHWSTM-1221 1 piece

Catalog number: JHWSTM-1221 Features: ● Williams' unique surface contact SUPER TORQUE [R below] allows high torque to be transmitted without deforming the bolt or nut. ● Chrome plated finish protects against rust and dirt. Applications: ● For engineers. ● Maintenance companies. Specifications: ● Opposite side size (mm): 21 ● Socket size (mm): 12.7 ● Total length (mm): 38 ● Opposite side shape: 12-sided ● Opposite side (mm): 21 Material/Finish: ● Special tool steel