Usage Tips:Complete Set for Installation: This package includes 4 durable iron closet shelf brackets, 4 screws, and 4 plastic expansion tubes, providing you with everything needed for a quick and secure installation on 12-inch wide shelves. Precision Fit for 12-Inch Shelves: Each bracket measures approximately 17.13 inches in length and 0.63 inches in width, designed specifically to complement any 12-inch wide wire shelving, ensuring a perfect fit and optimal support. Constructed for Durability: Crafted from high-quality iron and robust plastic, these brackets boast superior strength and durability. Their sturdy build ensures they won't easily break, deform, or succumb to wear, offering long-lasting reliability. Effortless Installation Process: Easily attach these brackets to your wire shelving with the included hardware. The toothed end grips the shelf securely while the screws ensure everything stays in place, simplifying the setup without requiring extensive tools or time. Versatile Utility Across Various Settings: Ideal for organizing spaces like wardrobes, closets, kitchens, and garages, these brackets enhance the functionality of wire shelving in homes, RVs, and commercial environments, making them a versatile addition to any storage system. The color of the screw accessories is random, no specified color is accepted Color: White Material: Metal Package Contents: 4 x RV shelf bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.