High-quality 2 inch rubber crib wheels, with U-bracket, humanized brake design, new upgraded metal joints, suitable for 20 22 25mm wood boards, safer and Injecting a guarantee of safety for your baby's growth! Plywood casters can easily roll on hard carpeted surfaces and can be used for lightweight furniture, cribs, playpens and small tables. Specifications Name: Crib Casters, Children's Bed Accessories Material: Rubber Load capacity: 100kg 224 pounds (4) Wheel diameter: 47mm 2 inches Installation height: 60mm 2.4 inches Inner hole height: 23mm 0.9 inches Internal width of the splint: 20 22 25 mm (0.8 0.9 1.0 inches) Packing includes: 4 casters, screws Tip: 1. Due to the differences between different monitors, the product color may be slightly different, but we guarantee that the actual style is the same as that in the photo. 2. Due to manual measurement, please allow 1-2mm error.USE FOR MULTIPLE USES: These castor wheels are perfect for so many different uses. Use them for industrial shelving, storage units, toolboxes and work saw benches. You can use them around the home for furniture such as kitchen islands, desks, ottomans, toy shoe bins, outdoor planters, shelves, coffee tables, chairs, and cabinets. Additionally, use them for display exhibition equipment, flight instrument cases, dollies, speakers, and many different types of machinery equipment. [Wide application] Children's bed casters can be used in sofas, cribs, swivel chairs, flower stands, shoe stands, coffee tables, small equipment, computer stands, small furniture, office chairs, household, DIY and many other fields. Also suitable for carpets, hardwoods, laminates, tiles, slate, etc. without leaving any scratches, abrasions or marks on the surface. [High Quality] New 2-inch baby cot caster, rubber edging, quiet, wear-resistant and tough, U-bracket design, safer, stable, 4 wheel load 224 pounds, carrying capacity. [Safety] Equipped with a brake device, which can firmly fix the crib on the ground, prevent the crib from shifting, and is more secure and stable. [Flexibility] Double wheel design, can rotate 360 , flexible, wear-resistant, quiet. The bottom of the crib is equipped with swivel casters for easy sliding and balancing, and the mother can easily move the crib anywhere in the room.