#590M PRS 90 deg Mechanical Mains

Marsoni

M251S

$91.94

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

#590M PRS 90 deg Mechanical MainsDISCONTINUED: THIS PAGE IS ONLY UP FOR RESEARCH PURPOSES. PRS 90 degree Mechanical Mains for 3 8" diameter RoboStrut (pair) PRS = Progressive Retract System Recommended for . 40 . 90 size aircraft up to 12 lbs. Easily covert to Pneumatic or Electric All Metal Construction For use with 3 8" Diameter RoboStruts Dimension Drawing Spare Parts List Weight: 4 oz.

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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These balls were almost exactly what I needed. I was replacing my boy’s favorite ball, which is the 3” squeaky, spikey ball that fits in the chuck it launcher. Unfortunately I saw the shiny object next to it and because there were SIX balls and a dollar less, I failed to see that these are 3.5” balls instead of 3”…. Great balls but no fitty in the slingy. Buyer beware. No chuck it no problem. Save a buck.

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Reviewed in the United States on March 9, 2026

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HollisHoHo

San Leandro, US

★★★★★ 5

MY CHIHUAHUA LOVES THESE BALLS!!

Color: Samll Set of 8

My little chihuahua, BamBam, is addicted to balls, especially little balls that squeak! However, any balls that have material on them, BamBam will tear them apart, swallow the material and then get an upset tummy! These balls saved the day! BamBam LOVES them & she cannot tear them apart! They hold up so well! No matter how much BamBam plays with them, they keep squeaking away!

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Reviewed in the United States on July 15, 2025

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Laurens springerslng

Waukegan, US

★★★★★ 5

Great thick squeaky ball

Color: Large Set of 2

These are good thick rubbery squeaky balls. My boy loves them! He's 75lbs. Strong chewer. I hav hard time squeezing to squeak, but he doesn't... He loves it!!!

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Reviewed in the United States on March 24, 2026