Uxcell a12111900ux0034 Chrome Vanadium Steel 1/2" Square Drive 90&deg; Universal Joint Swivel Socket Item Name : universal joint swivel socket; square drive head size : 12.7 mm / 1/2" Square socket : 13 mm / 1/2" ; Total size : 7.4 x 2.5 cm / 2.9" x 1" (l*max.D) Material : chrome-vanadium steel; Color : Silver Tone Weight : 162G Package Content : 1 x universal joint swivel socket