Collet extension 8mm shank 1/4" collet

For use in router tables where there is a limited router cutters shank length available.|Precision machined one-piece steel body. |With an 8mm shank, fitted with a multi-slit spring steel collet and collet nut.|Should be used with medium duty routers of minimum 850 watts, use at maximum speed 18000 RPM and maximum cutter diameter 35mm. |Increases spindle length by 41mm. |Maximum tool cut length 25mm.|Requires 12mm & 17mm A/F spanners.|Accessory collet and nut sets available for other shank diameters.