Best in 7 days
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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Description
3M Flap Disc 577F, 36, T29, 4-1/2 in x 7/8 in, GiantGeneral Information Brand 3M Coat Type Closed Coat Disc Type T29 Country Of Origin United States Sold As Case California Residents Proposition 65 Warning Dimensions and Specifications Backing Weight YF Weight Center Hole Diameter (Imperial) 0. 875 in Center Hole Diameter (Metric) 22. 225 mm Grit 36 Maximum Speed 13300 rpm Overall Diameter (Imperial) 4. 5 in Overall Diameter (Metric) 114. 3 mm Center Hole Thread Size Non Pertinent Width 5. 2 in 13. 21
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4.3 ★★★★★
Based on 914 reviews
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Product Reviews
★★★★★ 5
under desk laptop system
Color: Black, Size: 1.37" without hook
Reclaimed real desk space with this one. The mount holds the laptop securely underneath without any vibration or creaking and the installation required no drilling — clamped cleanly to the desk edge. The ventilation spacing is generous enough that thermals stay reasonable even under load. Works with a solid range of laptop sizes and the adjustment mechanism is easy to use. If your laptop spends most of its time docked this is the cleanest way to get it out of the way.
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Reviewed in the United States on March 25, 2026
★★★★★ 4
Works great, but pads are peeling.
Color: Black, Size: 1.37" without hook
Works for what I needed, which was to mount my work laptop to the side of my desk. However, the rubber pads started peeling the first day. I tried clamping them down overnight, but they still ended up peeling up. They haven't come off completely and are still working, though. I may have to glue them down.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Quality product.
Color: White, Size: 1.37" without hook
First of all it's made of metal so, I won't worry about accidentally breaking it and dropping my laptop. It came with adhesive rubber pads that fit inside the brackets, which is a nice touch for helping not to scratch up the laptop. It makes a huge difference to help declutter the desktop space.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Satisfied my need.
Color: Black, Size: 1.37" without hook
Easy to install and my laptop fits solidly. I have a work laptop, tower and my personal laptop. I hated how busy my home office desk looked. Moved my personal laptop underneath and made a big difference.
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Reviewed in the United States on March 28, 2026
★★★★★ 5
Perfect for under table/desk mounting
Color: Black, Size: 1.37" without hook
Just what I neeed! These work flawlessly to hide your laptop from taking up desk top space. These do just that! They come with the screws needed to mount them, and the little sticky pade to prevent scratches on your laptop. Perfect Product! A+++
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Reviewed in the United States on February 8, 2026
