Supply of Set Of Items, Set Consists Of Three Items As Detailed Below: 1 Base O Ring For Top Grip Gauges Both Side Half Removed Face Size- Od-8Mm, Id-2Mm, Thickness- 2.5Mm, Material: Nbr, Quantity - 800 Nos. 2 Base O Ring For Midland Gauges Both Side Flat Face Size- Od- 7Mm, Id-3Mm, Thickness- 3Mm, Material: Nbr, Quantity - 900 Nos. 3 Base O Ring For Rotex Magnet Valve, Size Id 14.3 X Od 17.9Mm X Thickness 1.8Mm, Material: Nbr, Quantity - 2500 Nos..