This Trend STAIR/AStaircase Jig is a template jig with well proven means of routing out stair housings quickly and accurately. It is constructed from hard wearing compact grade high pressure laminate and includes a reversible fence for exact matching of stair strings and fully adjustable nosing piece. It has a built-in heavy duty front clamp for quick clamping for each trench. It is adjustable to suit private and common stair angle pitches and can be used with all heavy-duty routers over 1600 watts. The sub-base is pre-drilled to suit Trend/DeWalt/Elu 1/2-inch routers, for other makes the sub-base will have to be redrilled. Kit includes- 1 x Adjustable reversible clamp. 1 x Reversible clamp bar. 1 x Sub-base. 1 x Nose piece. 1 x Line up pin and bush. 2 x Spanners. Specifications Tread Thickness 22-32 mm. Slider Diameter 30 mm. Nosing Adjustment 16-19 mm. Length 585 mm. Height 485 mm. Width 12.5 mm. Weight 6.17kg.