Expert Bi-hexagon Deep Socket Metric

- The Britool 1/2in Drive 12-point long sockets (metric) are crafted from chrome vanadium steel with a high chrome finish. - The OGV® profile allows tightening torque to be applied to the sides rather than to the angles of the nut. - This product is for manual use only. - ISO 2725-1, DIN 3124, ISO-1174-1, ISO-1711-1, ISO 691.. - UK size :21mm, FR Size :, ES Size : , DE Size: , IT size: , US & CA Size: . - Code: UTTK3528