Uxcell Aluminum Oxide Resin Fiber Discs, Center Hole Sanding Grinding Discs Pad Flat Polypropylene Webbing Straps but the total capacity for

but the total capacity for 4 casters is 45kg (calculated by 3 casters )

It would be a reliable component for electronic projects and testing programs

Sturdy and stable: Perfect replace your old furniture leg

4pcs x Metal Screws

Package come with the screws for easy installation

Uxcell Aluminum Oxide Resin Fiber Discs, Center Hole Sanding Grinding Discs Pad Flat Polypropylene Webbing Straps but the total capacity forDescriptions: 1. Aluminum oxide resin discs are with a strong resin on resin bond that assures reliable performance. 2. Strong fiber backing that provides superior grinding performance and extended useful life. 3. Aluminum oxide fiber discs are made with a fiber backing that adds rigidity and versatility. 4. Can be used in a variety of ways, from grinding, de burrsing, and stripping, to blending, cleaning, finishing, and polishing.