12137 SCREW RSS 10X 3-1/8IN 50 Pack

Marsoni

M251S

$18.00

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

12137 SCREW RSS 10X 3-1/8IN 50 PackOverview The GRK Fasteners RSS Structural Screw (12137) is designed for structural fastening applications including carrying beams, ledger boards, stair rails, deck posts, playground equipment, and other professional interior or exterior installations. Specification Detail MPN 12137 Brand GRK Fasteners Size No. 10 x 3 1 8 in. L Material Hardened Steel Finish Coating Climacoat (Climatek) Head Type Washer Head Drive Style Star (T 25) Thread Type W Cut

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For the inexpensive price it’s worth its weight in gold. I admittedly probably didn’t work on it as long or as hard as I should have, but I still had great results. *** One warning: when it says to “tape up and cover your paint around it” do it! I figured I would just be careful but no I was wrong. It will REALLY damage your paint, so make sure you don’t get any on it. YES- This is the sanding discs too! They have chemicals on them, they are not regular discs. If you do get on paint, clean immediately! My only regret with this project and my fault, not theirs. My headlights went from dingy yellow, to much brighter and definitely more clear. Love the results. Very happy with the purchase.

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Reviewed in the United States on May 4, 2026

Verified Purchase

Kamau Kalai

Dallas, US

★★★★★ 5

Great for the price

Size: 1 Kit, Size: 1 Kit

Worked great at clearing my headlights and at a great price, I had used a different headlight kit maybe 5-6 months before and it did not perform as good as this kit did, maybe it was a user error with the previous kit but this one cleared it easily and was very easy to do and had a nice clear shine.

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Reviewed in the United States on April 23, 2026

Verified Purchase

Dre

Battle Creek, US

★★★★★ 5

Good stuff!

Size: 1 Kit

Good product, made a big difference. Easy to apply, Will buy again when needed.

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Reviewed in the United States on May 12, 2026