This teardrop shaped base is fitted to the router and allows better control when edge moulding by preventing router tilt. Large knob for greater control. Pre-drilled for Trend Elu and DeWalt routers. Can be re-drilled by user to suit other makes of router. Made from clear plastic. Contents: 1 x Teardrop shaped base 1 x Knob assembley 2 x Fixing screws