Bosch 8-Piece Router Template Guide Set RA1128 FUNCTIONAL: The Bosch RA1128 Router Guide features a versatile array of six popular router template guides including large and small dovetail router guides and two radius hinge guides EFFICIENT: Includes the Bosch RA1126 Template Guide Adapter, a quick-change template guide adapter which allows fast toolless changes of Bosch router template guides. COMPATIBLE: The RA1128 works with many Bosch routers including the 1613AEVS, 1617-, 1618, 1619- and MR23-Series routers, as well as the plunge bases for Bosch palm routers. VERSATILITY: The RA1100 interface piece allows the template guide adapter to accept common threaded template guides and reducer inserts that fit into a 1-3/8 in. counter-bore.