50 Pcs 51mm OD 1.5mm Thickness Nitrile Rubber O-ring Oil Seal Gasket Review

50 Pcs 51mm OD 1.5mm Thickness Nitrile Rubber O-ring Oil Seal Gasket Reviewhttp://tinyurl.com/ko2b5jl 50 Pcs 51mm OD 1.5mm Thickness Nitrile Rubber O-ring Oil Seal Gasket Product Name : O Ring;Material : Nitrile Rubber(NBR)Quantity : 50Pcs;Outside Diameter : 51mm / 2"Inner Diameter : 48mm / 1.889";Thickness : 1.5mm / 0.059"Color : Black;Weight : 18gPackage Content : 50 x NBR O Ring