uxcell 4-Inch x 5/8-Inch Aluminum Oxide Resin Fiber Discs, Center Hole 36 Grit Sanding Grinding Discs, 5 Pack
- Fiber disc designed for backing pad with an X-LOCK mount – offers a faster, fixed mount and high-quality Zirconia grit.
- X-LOCK wheel change – features snap-on mounting and grinder lever wheel release for change-out that's up to five times faster.
- Tool-free disc swap – features an audible snap when mounted, without a spanner wrench or a flange nut.
- Backward compatible – Bosch X-LOCK fiber discs are backward compatible with standard 7/8 In. arbor mounts.
- Zirconia grit – specially formulated with Zirconia grit for speed and durability.