This solid 3mm acrylic Tortoise Motor Template is brilliant for retro fitting Tortoise Motors to your layout. Simply lay the template over your existing points. Place the hole at the arrow head over the whole in the point throw arm. Drill a 1 mm hole through your base board. At what would be the feathered end of the arrow drill another hole. This hole will allow you to orientate the motor so it is parallel with the tracks above. Very important for the performance of the motor. A template for bending the throw wire is also included. You can bend the wire with your hands.