Milescraft Metal Bushing Set includes seven high-quality carbon steel one-piece bushings, two locknuts, and a top hat adapter, designed to enhance your routing projects with precision and durability. The set features router bushings with outer diameters of 5/16", 3/8", 7/16", 1/2", 5/8", 3/4", and 51/64", providing versatility for various tasks. Packaged in a convenient locking storage case with a peg hook and foam insert, it keeps all components organized and secure. This router template guide set is compatible with all router sub-bases having a 1-3/16" (30.2mm) center hole diameter and works seamlessly with all Milescraft TurnLock products. I for dovetailing, sign making, and inlay routing, these guide bushings reliable performance for woodworking enthusiasts and professionals alike.