Unika’s Staircase Jig cuts open tread and closed tread stair profiles, incorporating a universal router base with four radius bushes. Incorporates a universal router base with four radius bushes, so any popular router will work with the jig. Depending on the tread thickness a 16mm or 22mm dovetail cutter is used.
Advantages:
- 12mm thick stair jig marked for closed and open stair treads
- Sliding pegs, threaded rod and connecting bar
- Router sub-base with four radius bushes (in two sets) to achieve the correct router offset
- A bag of screws to fit most routers
- Instructions on the design of the stair and the use of the jig. British Standard BS 585 Part 1, 1989 Wood stairs, and the Building Regulations Approved Document K 1991 are used as a guide