The POWERTEC 71121 5/16-inch T-bolt kit provides the mechanical device components to a Quick, unwrinkled, unassailable clamp install into your comprehensive t-tracks, thus insuring the utile and authentic functionality of your jigs, fixtures and woodwork machinery. Our Handy represent is comprised of the masses T-Track accessories : 2 of each 5/16-inch T-Bolts : 1 '', 1-1/2 '', 2-1/2 '', 3-1/2 '' ; 4 of t-knobs, 4 of 5-Star knobs whether you are building a fresh Jig setup or sensible adjusting an extant one, you 'll be you made this expedient purchase. it everlasting with the POWERTEC T-bolt kit - handy, authentic and variable ! . you 'll everything you need to get the job done to perfection.