Ten-piece metric impact socket set is manufactured from heat-treated chrome-moly steel for wear in professional, rugged environments. Set includes deep sockets sized from 10mm-19mm. All are 6-point 3/8" drive. Laser engraved for quick identification. Ten-piece metric impact socket set is manufactured from heat-treated chrome-moly steel for wear in professional, rugged environments. Set includes deep sockets sized from 10mm-19mm. All are 6-point 3/8" drive. Laser engraved for quick identification.