3 1/2" SOLID PSA MIRKA GOLD (3M2160)

$6.7 ~~$10~~ In stock

3 1/2" SOLID PSA MIRKA GOLD (3M2160) is a solid PSA-backed abrasive disc offered in a range of grits. Choose the grit and quantity that fit your work.

Solid PSA (pressure-sensitive adhesive) backing
Available grits: 100, 150, 180, 220, and 320
Quantity option: Pack of 100
Disc diameter: 3 1/2 inches
Listed under the Supergrit Abrasives brand

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Kevin R. ★★★★★ Oct 21, 2026

The adhesive on these discs holds firm even when sanding vertical surfaces, which is a huge plus for consistency. I picked a medium grit for blending body filler and it cuts fast without clogging. Definitely buying more for my next project.

Jacob L. ★★★★★ Oct 20, 2026

These discs don't load up with paint when I'm wet sanding clearcoat, and the adhesive holds strong even after the paper gets saturated. The 3 1/2" size works perfectly with my orbital sander for tight spots on car panels.

William ★★★★★ Oct 19, 2026

I grabbed a box of these to finish some bodywork and the adhesive held firm even when I was pressing hard. The 3½-inch size is perfect for getting into tighter spots without losing control.