Produce smooth threaded wooden clamps, vises, and unique gift items with this wood threading system! Using a solid carbide router bit, the Beall Wood Threader mills the male threads precisely. Mount your router to the jig, feed dowel stock through the self-guiding insert, and cut male threads in hard wood like butter - with no torn threads. Matching hand tap for female threads included. This 6 size kit includes: The jig, hardware, router bit, inserts & taps for doing 1/2", 5/8", 3/4", 1", 1-1/4", 1-1/2" sizes and instructions. Specifications 1/2" Threader is 8 TPI (Threads Per Inch) 3/4" & 1" Threaders are 6 TPI Optional Nut Template Guide - A very handy pattern for creating several sizes of wooden hex nuts. The Nuts & Bolts of Woodworking Book - Sheds further light on this excellent tool and is fertile with projects and ideas. A highly recommended companion for the wood threading kit. Made in the USA!