Socket Gray Tools 1 2" Drive 6 Point Metric Deep Length Sockets, Various Sizes Size:16 MM Compatible with ice studs Compatible with ice studs 3M Precision Shaped Ceramic Grain lets operators finish tough tasks faster and with less fatigue Size Overall Length (mm) Drive End (mm) Hex End (mm) Taper Length (mm) Bolt Clearance (mm) MD1210H 10 MM 83 23 14 19 7 MD1212H 12 MM 83 23 17 19 9 MD1213H 13 MM 83 23 19 19 9 MD1214H 14 MM 83 23 21 19 10 MD1215H 15 MM 83 23 22 19 11 MD1216H 16 MM 83 23 23 12 MD1217H 17 MM 83 24 24 12 MD1218H 18 MM 83 25 25 13 MD1219H 19 MM 83 27 27 13 MD1220H 20 MM 83 28 28 13 MD1221H 21 MM 83 29 29 15 MD1222H 22 MM 83 30 30 16 MD1223H 23 MM 83 31 31 16 MD1224H 24 MM 83 33 33 16 MD1225H 25 MM 83 35 35 18 MD1226H 26 MM 83 36 36 18 MD1227H 27 MM 83 36 36 20 MD1228H 28 MM 83 38 38 19 MD1229H 29 MM 83 39 39 20 MD1230H 30 MM 83 40 40 21 Hex openings deliver maximum turning power without rounding fasteners