These Alera wire shelving black plastic shelf lock clips locks down shelving securely, These Alera wire shelving shelf lock clips are constructed to withstand daily wear and use, Locks down shelving securely, Constructed to stand up to daily wear-and-tear, Materials: Metal, Mobile: Yes, Dimensions: 3, 93"" H x 2, 36"" W x 2, 36"" D, Pack of 8, SKU: AZALERSW59SLBL