Bahco ds14 12in drive impact socket set with a a black finish and made from high performance alloy steel to be used with machines for maxium safety use clamping springs conforms to din 3121 g 125 iso 1174 standards supplied in a carry case with a 1 piece removable three section plastic box size 10 11 12 13 14 15 16 17 18 19 21 22 24 and 27mm