Produce straight and square fuselages with this building jig. All you need is a flat board, it can be chipboard , MDF or the like, 12mm to 15mm (1/2" to 5/8") thick and 381mm x 1220 in size. A printed self adhesive grid is stuck onto the board. Holes are drilled where indicated & captive nuts are drawn into the underside using the bolts provided. The moulded angles are slotted so that using the bolts & moulded washers the angles can be accurately positioned as required. 56 captive nuts are provided together with 10 angles complete with locking bolts and washers. Full instructions are provided. Additional angles, captive nuts,bolts & washers are available if required.