Locks shelves securely, built to withstand everyday wear and tear. Only fits 1 inch post shelves. Can be compatible with other brand 1 inch posts such as , Alera, Metro, , Eagle, Regency, Metro, Advanced Tabco, , , Focus and more! color: black Material: plastic size: Product size: 4.5 x 2.54 cm Package Contents: 370 packs shelf locking clips Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.