Description Adaptor with external hexagon: 10 mm (3/8") - 7/16" - 12.5 mm (1/2") - 5/8" - 13/16" Technical data Output profile Internal square Gross weight 790 g Material Chrome Vanadium Steel Packaging suitable for wall hanging Yes Surface finish Chrome plated Drive profile size, inch 1/2 " Drive profile size, metric 12,5 mm