Check the listing for details. POWERTEC Jig and Fixture T-Track Hardware Kit w/Knobs and Threads, 46pcs (71173). Condition: New. Listed at 34.99 USD. The Jig and Fixture T-Track Hardware Kit w/Knobs and Threads (46 Piece) by POWERTEC. This POWERTEC exclusive combo was designed to give you a cost effective option to create and customize your t-track jigs & fixtures.It features an assortment of screw on clamping knobs, threaded inserts, t-bolts and t-nuts.Function: A comprehensive selection of hardware perfect for your creating your own t-track woodworking jigs and fixtures.T-Bolts: (6) 1 in. / (6) 1-1/2 in. / (6)2-1/2 in. t-bolts - all precision machined of zinc plated hardened steel with 1/4-20 threads.Knobs: (4) 5-star insert knobs / (4) 4-star bolt knobs / (4) 2 in. T-shaped knobs – all constructed of premium black, hardened plastic with threaded through insertsThreaded Inserts: (8) 1/4"-20 Threaded inserts / (8) T-nuts.Convenient Storage: (1) Plastic sorting case with assorted and movable dividers for quick access and easy hardware organization.An Excellent Value for Any Woodworking ProjectThis kit helps eliminate trips to the store right in the middle of a project.It streamlines your woodworking applications that require jig assembly, repair or customization.With over 46 select pieces, no project is too big or too small. POWERTEC is a leading manufacturer of high quality woodworking machines, wood work accessories, and a wide assortment of OEM replacement parts. We are committed to exceeding expectations, while bringing the best innovations, technologies, and product development to the industry.