Always have a selection of jig and fixture parts available for that next jig project. This kit has a nice variety of 1/4-20 materials.

(JHK1) / 1/4" T-Bolt 1-3/4"L x20 pcs
/ 1/4" T-Bolt 2-1/4"L x20 pcs
/ 1/4" T-Bolt 3-1/2"L x10 pcs
/ 5 star knob 1/4"-thru x4
/ 5 star knob 1/4" x4
/ 4 star knob 1/4" x6
/ 4 star knob 1/4"-thru x6
/ 2" T-knob-thru x6
/ 1/4" round knob-thru x10
/ Threaded insents x16
/ T-nuts x26