Type: Furniture Caster Product: Casters Item Type: Furniture Wheels Model Number: 1.5 inch Mute Wheel Replacement Office Chair Swivel Caster Condition: and New Features 1: Office Chair Caster Wheels Features 2: Swivel Rubber Caster Wheels Replacement Soft Safe Rollers Features: Made of premium nylon and metal, sturdy and durable. Adjusting gear can adjust the level to achieve very good anti-vibration performance, no sloshing structure, long service life. 360-degree swivel top plate with double ball bearing design, flexible to move and rotate. The feet act to reduce vibration while the machine is under use. Wide application: suitable for conveyor stands, equipment, copiers, printers, modular framing enclosures, electronic enclosures, manufacturing machinery and automation enclosures, shop equipment, diagnostic equipment, etc. Specification: Model: -40F color:white+ black Material: Nylon + metal Weight: .1455g/ 51.3oz Mounting height: 70mm/ 2.8in Load Capacity: 150kg/ 330lbs (total) Package Contents: 4 * Retractable Leveling Casters