Build your own jigs with our JIG IT hardware value pack. Assorted T-bolts, knobs, and inserts for customizing your own jigs and fixtures for your shop.A $36.00 Value. The kit contains: 4 each of #23812 5 Star Knob 5/16" - 18tpi thru 4 each of #23846 5 Star Knob 5/16" - 18tpi stud 4 each of #71514 2" T-Knob 5/16" - 18tpi thru 1 pack of #26062 Tee-Nuts 5/16" - 18tpi (8 per pack) 1 pack of #28811 5/16" - 18tpi Threaded Insert (8 per pack) 6 each of #33965 5/16" x 1" T-Bolt 6 each of #83311 5/16" x 1-1/2" T-bolt 6 each of #33939 5/16" x 2-1/2" T-Bolt