BUSY-CORNER 212PCS Boss O-ring Assortment Kit Application:Boss orings use for boss tube fitting application,hydraulic fitting,hydraulic pumping,sealing straight thread tube fittings, hydraulic/pneumatic motors, cylinders, pumps and valves Boss O-Ring Seal Kit Includes:10pcs, 901 Boss O-Ring, Tube Size OD: 3/32”10pcs, 902 Boss O-Ring, Tube Size OD:1/8’’, SAE Dash Size:2’’10pcs, 903 Boss O-Ring, Tube Size OD:3/16’’, SAE Dash Size:3’’, Thread Size 3/8’’-24 UNF10pcs, 904 Boss O-Ring, Tube Size OD:1/4’’, SAE Dash Size:4’’, Thread Size 7/16’’-20 UNF12pcs, 905 Boss O-Ring, Tube Size OD:5/16’’, SAE Dash Size:5’’12pcs, 906 Boss O-Ring, Tube Size OD:3/8’’, SAE Dash Size:6’’, Thread Size 9/16’’-18 UNF12pcs, 907 Boss O-Ring, Tube Size OD:7/16’’12pcs, 908 Boss O-Ring, Tube Size OD:1/2’’, SAE Dash Size:8’’, Thread Size 3/4’’-16 UNF12pcs, 909 Boss O-Ring, Tube Size OD:9/16’’12pcs, 910 Boss O-Ring, Tube Size OD: 5/8’’, SAE Dash Size:10’’, Thread Size 7/8’’-14 UNF10pcs, 911 Boss O-Ring, Tube Size OD:11/16”10pcs, 912 Boss O-Ring, Tube Size OD:3/4", SAE Dash Size:12’’, Thread Size 1-1/16’’-12 UNF10pcs, 913 Boss O-Ring, Tube Size OD:13/16”10pcs, 914 Boss O-Ring, Tube Size OD:7/8”10pcs, 916 Boss O-Ring, Tube Size OD:1", SAE Dash Size:16’’, Thread Size 1-5/16’’-12 UNF10pcs, 918 Boss O-Ring, Tube Size OD:1-1/8”10pcs, 920 Boss O-Ring, Tube Size OD:1-1/4”10pcs, 924 Boss O-Ring, Tube Size OD: 1-1/2”10pcs, 928 Boss O-Ring, Tube Size OD:1-3/4”10pcs, 932 Boss O-Ring, Tube Size OD:2”