Solid Contoured Backup Ring 12.000" x 12.250" x 0.050" - Nitrile

Marsoni

M251S

$29.57

Get it in 3 business days with 1 day shipping. Friday, May 29

Solid Contoured Backup Ring 12.000" x 12.250" x 0.050" - NitrileProduct Details : Solid Contoured Backup Ring 12. 000" x 12. 250" x 0. 050" Nitrile Part No: 8 278 N90 Product Category: O Rings Product Type: Solid Contoured Backup Ring Series: 8 XXX Dash No.: 278 Material(s): Nitrile Material Code: NBR Durometer: 90 Temperature Range: 40F to +250F ( 40C to +121C) System Of Measurement: Inch Dimensions: 12. 000" x 12. 250" x 0. 050" Nominal I. D. (d) : 12. 000" Nominal O. D. (D) : 12. 250" Nominal Width (W): 0. 125"

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Banana clips are high quality, I used 12 awg wires and had no issues. It secures into the plug with 2 small screws, you will need a flat terminal screw driver to install them. The quality was high and made a good connection. If I had to make one complaint it would be that I would tighten the gray piece to the plug and it always kept spinning, otherwise, excellent product.

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Reviewed in the United States on January 29, 2026

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Valkyrie Rider

Waukegan, US

★★★★★ 5

Good quality connectors

Size: 6 Pairs

Good quality connectors, holds wire well and stays in place. I’ll buy again

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Reviewed in the United States on March 1, 2026

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GrooV67

San Leandro, US

★★★★★ 4

Worked fine for me

Size: 10 Pairs

I saw some reviews that mention difficulty in threading or fitting. They are tight, but they work fine. I had no issues installing the speaker wire and no issues with the set/crimping screws. I even had one fall out when I loosened it too much and, though it was challenging without my glasses, I did get it to thread back in with no problems. I have purchased other BluRigger products, like HDMI cables, and they are of great quality.

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Reviewed in the United States on December 19, 2024

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OCIE STEWART

Alexandria, US

★★★★★ 5

They look great and work great!

Size: 12 Pairs

Great contact screws with bare wires and solid inserting with the banana clips! Would buy again!

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Reviewed in the United States on March 25, 2026

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