DIY Weight Plate Holders for Power Racks

How to make an inexpensive set of standard (1") weight plate holders for your power rack that has 2" square tubing and 1" diameter safety pin holes. Materials list for my project: 4- 12-in x 3/4-in threaded steel rods 8- 3/4-in hex nuts 8- 3/4-in 3- feet of 3/4-in flexible PVC braid tubing Tools: Metal tape measure Scissors capable of cutting the braid tubing