uxcell Hand Tool Chrome-vanadium Steel 12 Point Box Ring Wrench 21mm x 23mm Product Name : Box End Wrench;Type : Double Offset 12 Point Box End Opening Diameter : 21mm, 23mm;Material : Chrome-vanadium Steel Size : 310 x 35mm/ 12.2" x 1.4" (L*W);Color : Silver Tone Weight : 369g Package Content : 1 x Box End Wrench