Description
Close-tolerance bi-hexagon socket with HT drive profile to protect corners of nuts and bolt heads.

Standard
DIN 3124.

Material
Chrome vanadium steel, chrome-plated.

Technical Data
- Width across flats: 21 mm
- Square drive: 3/8 inch
- Socket form: Bi-hexagon
- Drive profile: HT
- Drive output end diameter: 27.9 mm
- Length: 29 mm