With interchangeable bearings to cut rabbets of different depths, this set produces super smooth cuts on both surfaces of the rabbet. Cuts all composition materials, plywood, hardwood and softwoods For joining boards & letting in back panels.Cuts Flush-1/8"-1/4"-5/16"-3/8"-7/16"-1/2" rabbets.Set contains 7 different bearings plus wrench.Size 1-3/8"diameter 1/2" carbide height, 2-1/4" overall length,1/2" shank.Features Freud"s TiCo Hi-Density Carbide with Titanium and Non-Stick Perma-Shield coating.