Global O-Ring and Seal, LLC - What's square, round, and a superb seal at the same time? Square Rings! Square Rings fit in o-ring grooves and are interchangeable size-for-size. We keep Square
![006 Buna-N O-Ring, 70A Durometer, Square, Black, 1/8" ID, 1/4" OD, 1/16" Width (Pack of 100): O Ring Seals: Amazon.com: Industrial & Scientific 006 Buna-N O-Ring, 70A Durometer, Square, Black, 1/8" ID, 1/4" OD, 1/16" Width (Pack of 100): O Ring Seals: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51wag0k5uaL.jpg)
006 Buna-N O-Ring, 70A Durometer, Square, Black, 1/8" ID, 1/4" OD, 1/16" Width (Pack of 100): O Ring Seals: Amazon.com: Industrial & Scientific
![AS568-332 SN70 (NBR) Buna-N 70 Duro Square O-Ring [SN70332] : The O-Ring Store LLC, We make getting O-Rings easy! AS568-332 SN70 (NBR) Buna-N 70 Duro Square O-Ring [SN70332] : The O-Ring Store LLC, We make getting O-Rings easy!](https://www.theoringstore.com/store/images/squarering.png)
AS568-332 SN70 (NBR) Buna-N 70 Duro Square O-Ring [SN70332] : The O-Ring Store LLC, We make getting O-Rings easy!
![O-Ring Gasket Seals & Elastomers - Square Cut O-Rings - Nitrile (Buna-N) - PTFE | Advanced Gasket & Supply Inc. O-Ring Gasket Seals & Elastomers - Square Cut O-Rings - Nitrile (Buna-N) - PTFE | Advanced Gasket & Supply Inc.](http://www.advancedgasket.com/images/o-rings.jpg)