I had 7 shelves left over from the numerous kits I've purchased from Costco. Finally went back to Costco, took a picture with my cell phone of the Trinity name, then followed up. Googled and found everything online. Built a new storage shed, since the storage units were doulbling the rent. Had extra space to utilize the shelves. The poles ordered from Trinity were perfect. The 2 sets of poles arrived, complete, the very day I started moving stuff in. Thank you. Oh, and by the way, I was able to get the black plastic spacers from Home Depot, to fit the shelves onto the poles. They were also available from Amazon, but I could see the right size myself, at Home Depot. Thanks for a long awaited project being completed! I have the Ryobi electric push mower collapsed, and under the bottome shelf!