Amana Tool 54312 TAMBOUR BIT # 2Lonnie Bird's Tambour / Appliance Garage Door Bits - requires no cloth or wires. This three-piece router bit set is designed for creating tambours without the need for wires, canvas or glue. The unique design shapes slats that interlock. And, assembly is easy. Simply slide the slats together to create a beautiful, flexible tambour that's perfect for creating your own roll top desk, breadbox, or kitchen countertop storage areas.Each slat measures approximately 1/2" x 1".The minimum Radius for the tambour door is 3-1/2"