The Studding experts at Woodys have designed a template that includes the Trail Template-2, Double Digger and the Performance Template patterns from 48 to 192 studs with exception of 72 stud pattern. One template gives you the ability to add to your stud pattern without waiting for a different template. Constructed from heavy card stock with a laminate protective cover that will fit 15 wide track configurations. Universal Template exclusively from Woodys. For those that will use the template a number of times, it is also available in clear polycarbonate