Feature:1. PACKAGE INCLUDES: A total of 2 rotating casters with double locking and 2 rotating casters without locking. The wheel brake locks both the wheel and the swivel, effectively stopping and preventing the device from moving and injuring others2. DURABLE RUBBER: Premium solid rubber outsole provides enhanced durability and traction, you can use with confidence3. SHOCK AND VIBRATION RESISTANCE: Fixed casters are very quiet when rolling and absorb shock and vibration4. WIDE APPLICATION: Mainly used for trash can casters, clean carts wheel replacement, practical and useful5. EXCELLENT PERFORMANCE: Solid rubber rigid caster wheels are made with fine workmanship, possess compact appearance and stable performance, can make sure durability and stabilitySpecification:Item Type: Fixed Casters SetProduct specifications: 2 x 8in flat universal with brake core, 2 x flat universal with iron core, 4pcs a setMaterial: Rubber, PP, ironUse: Trash can casters, clean carts wheel.Package List:2 x Universal Brake Wheel2 x Universal Wheel1 Pair of Gloves