1 1/8 in x 1 3/4 in, Wire Shelving, Shelf Split Sleeve - 5GRT8|5GRT8 - Grainger
DuraSteel Wire Shelving Shelf Lock Clips / Shelving Sleeves - Fits with Thunder Group, Alera, Honey Can Do, Eagle, Regency, Metro and more - For 1" Post, Plastic, Black, Pack of 24 Pcs - Amazon.com
1" Diameter Post Wire Shelf Clips Shelving Split Sleeves Lock Metal Rack Locking Plastic - Pick-a-Pack - 48 - Walmart.com
Regency 36" x 48" x 34" NSF Black Epoxy Stationary Wire Shelving Starter Kit with 3
Amazon.com: WAFJAMF 72 Pack Wire Shelving Shelf Lock Clips for 1" Post- Shelving Sleeves Replacements for Wire Shelving System : Everything Else