O-ring ASA Size 016, Nominal dimensions are 5/8" ID x 3/4" OD x 1/16" thick. Material is Buna-N rubber, also known as Nitrile. Durometer Hardness is Shore 70A.  Quantity is 2 pieces.  Condition is Brand New. Shipped using USPS First Class in plain letter envelope. No tracking provided. No returns.

LOCAL PICKUP OPTION: If you want to pick this item up you can do so at ZIP 08077 during the normal M-F workday or at ZIP 08059 at other times. If you intend to pick this up, please let me know immediately after you place your order because I normally ship items very quickly.