Description 9 Pce Ball-Point Hex Key Set ProsKit 8PK-028 1.5,2,2.5,3,4,5,6,8,10mm S2 alloy steel Blackened finish Made in Taiwan Model No. Tip size (mm) S (mm) L (mm) 8PK-028 (metric) 1.5 14 77 2 16 83 2.5 18 90 3 20 96 4 24 105 5 26 115 6 30 133 8 36 154 10 40 170