Router Collet: Ø 6mm / Ø 6,35mm (1/4”) / Ø 8mm / Ø 12mm / Ø 12,7mm (1/2”) Robust chrome-plated base plate and guide rails provide a sturdy structure when combined with the impact-resistant plastic. Quick-fastening mechanism ensures minimal time and complexity in fixing the router to the track rail. Compatible with the entire Triton Precision Plunge Router Range. Machined, chrome-plated brass guide bushes and chrome-plated steel guide plates. Ventilated guide bushes for optimised dust extraction. Includes 8 guide bushes (OD 5/16", 3/8", 7/16”, 1/2", 5/8", 51/64", 3/4" & 30mm), alignment bush (porter cable adaptor), table spacer and 2 x M4 screws.