Elora 1/2" Square Drive Bi-Hexagon Socket DIN3122 / ISO3315 Range - Elora 24327, Professional Quality, sockets manufactured from chrome vanadium steel hardened, tempered and chrome plated for corrosion protection. Chamfered end allows positive nut location and entry. Hole for driving accessory spring-loaded ball. Sold loose.Manufactured and tested generally in accordance with DIN3122 and ISO3315 Specifications Elora 24327 5/16" 1/2" Square Drive Bi-hexagon Socket
