Review on 224399 Replacement Grinder Blade Kit - 1 Blade, 193465 Bolt, 4 Pack of 224568 by David Silva

So top fits and snaps in perfectly, bottoms don't fit Ridgid wireless devices at least, all parts are thicker than the OEM parts I've had from any brand. , and the fastening edges on the bottom edge are wider and not so long that they don't even fasten in the grinder. I think if you sharpen it a bit with a file or dremel it will fit, just haven't tried it yet