Trend GB16 Guide Bush 16mm Diameter Features: Guide bush guides the router when using a template Fits directly to Trend T3,T4,T5,T5 MK2, T9,T10 and T11, and some other light duty routers Will fit other makes when used with GB/5, GB/PLATE or UNIBASE Sub-base Warranty: 12 months Specification: Outside diameter:16 mm Inner diameter:13 mm Projects from plate:6 mm Plate diameter:60 mm Nett Weight: 0.043 Kg Packaged Size: 118x77x7mm