ROUTER TABLE OPTIMISATION: Designed for use in router tables where shank length is limited. This extension increases cutter spindle length by 41mm, providing an extra reach for your routing tasks. PREMIUM QUALITY CONSTRUCTION: Crafted from a precision machined one-piece steel body, this collet extension ensures durability and reliability for any woodworking project. HIGH-SPEED PERFORMANCE: Engineered to operate at a maximum speed of 18000 RPM. Should be used with medium duty routers of minimum 850 watts. OPTIMUM SIZE & COMPATIBILITY: The 8mm shank size and 8mm collet bore, along with a maximum tool diameter of 35mm and maximum tool cut length of 25mm, make this extension highly versatile. Requires 12mm & 17mm A/F spanners for assembly. EXPANDABLE CAPABILITY: Expand the functionality of your router with accessory collet and nut sets available for different shank diameters, making this extension a valuable addition to your toolset., Weight: 0.11 Pounds, Manufacturer: Trend