421 Buna-N O-Ring, 70A Durometer, Round, Black, 4" ID, 4-1/2" OD, 1/4" Width (Pack of 5) June_2023_update The black vinyl cover protects

The black vinyl cover protects clear plastic pages where you can slide in business cards you need to keep handy

Get 4 pairs of five toe socks with 1 purchase

Circlip Assortment

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Durable polyester material is chemical

421 Buna-N O-Ring, 70A Durometer, Round, Black, 4" ID, 4-1/2" OD, 1/4" Width (Pack of 5) June_2023_update The black vinyl cover protects421 Buna N O Ring, 70A Durometer, Round, Black, 4" ID, 4 1 2" OD, 1 4" Width (Pack of 5) This O ring is made of black Buna nitrile, is round in cross section, has a durometer of 70A, and is designed for use in a wide variety of sealing applications. Buna nitrile can have high tensile strength, and abrasion, tear, and compression set resistance. It can be used in temperatures between 30 degrees F ( 34 degrees C) to 250 degrees F (121 degrees C), and is