Milescraft Imperial Router Template Guide ideal for dovetailing, sign making and inlay routing. The Milescraft metal bushing set is comprised of seven carbon steel one piece bushings, two locknuts and one top hat adaptor. The router bushings have outer diameters of 5/16-inch, 3/8-inch, 7/16-inch, 1/2-inch, 5/8-inch, 3/4-inch and 51/64-inch. This router template guide set comes in a locking storage case with peg hook and a foam insert to keep the accessories in position. Compatible only with router sub bases with a 1-3/16-inch (30.2 mm) centre hole diameter and can be used with all Milescraft TurnLock products. These guide bushings are great for use when dovetailing, sign making and inlay routing. Universal 2 piece bushing system is compatible with all router sub bases with a 1-3/16-inch (30.2 mm) centre hole diameter. Convert metal router guide bushings into TurnLock compatible bushings. Includes top hat adaptor to suit all Milescraft turnlock. Offers a number of bushings to support a wide variety of routing applications. Comes in set of 7 pieces.