ITEM NAME:50Pc Scuba Diving O-Ring Kit Nitrox Diver Dive Gear Repair Spare Replacement Description: - 50pcs 70 durometer o-rings, good sealing performance - This O-ring kit contains the 10 popular AS568 sizes used in scuba diving gear - It is used in scuba applications with Nitrox because of its excellent resistence to oxygen - All o-rings are packed in a plastic box with compartments - Great repair replacement accessories for scuba diving gear Specification: - Material: Rubber - Color: Black - (Quantity) AS568 Size (I.D.), Typical Use - (5pcs) -003 (1/16"), High PressureHose/Swivel Seal - (5pcs) -010 (1/4"), Low Pressure Hose/2nd Stage Reg/Cyl Valve Stem - (5pcs) -011 (5/16"), Low Pressure Port/Hose,Hose Adapters - (5pcs) -012 (3/8"), High Pressure Port/Hose,Gauge Hose - (5pcs) -013 (7/16"), Large Low Pressure Port/Hose,Piston Seat Seal - (5pcs) -014 (1/2"), Standard Yoke/Tank Regulator - (5pcs) -015 (9/16"), High Pressure Hose/Swivel Seal - (5pcs) -111 (7/16"), Small DIN Regulator Valve - (5pcs) -112 (1/2"), Standard DIN Regulator Valve - (5pcs) -116 (3/4"), Small Tank Neck,Genesis 3500 Cylinders Package Included: 50 Pieces Scuba Diving O-ring Kit Note: Due to the differences between different monitors, the picture may not reflect the actual color. There is 2-3% difference according to manual measurement, please check the size carefully before you buy the item. Thanks!.It is used in scuba applications with Nitrox because of its excellent resistence to oxygen. - This O-ring kit contains the 10 popular AS568 sizes used in scuba diving gear. 50 Pieces Scuba Diving O-ring Kit.