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, 4 Pairs High Quality - Constructed to stand up to daily wear-and-tear. Locks down shelving securely. Material - Made of ABS (plastic) with Black color. Fits on all poles with 1" pole diameter (except for gold bond shelving), **please Measure before purchase** Easy installation - no tool assembly. Quickly and easily adjusts to any position. Quantity - 4 pairs; enough for 1 Shelving plates Fits for most brands - Fits chrome, Black, Green epoxy from Alera, Metro, Thunder Group, Eagle, Regency, Advanced Tabco, John Boos, Winco, Focus and many more.