Our Thread-Sert kit is ideal for screwing Durable Dot® (XB-10708) and Lift-The-Dot® (XB-16362) machine studs into fiberglass, metal, wood, etc., without having to put a nut behind the fastener. Each kit comes with (1) Thread-sert tool, and an array of thread-serts in various sizes to get you started with your tool. Thread-serts are also available separately in 8/32”, 10/32” and ¼”-20 thread counts.