Feature 1 Made of premium nylon and aluminum alloy, sturdy and durable. 2 Adjusting gear can adjust the level to achieve very good anti-vibration performance, no sloshing structure, long service life. 3 360-degree swivel top plate with double ball bearing design, flexible to move and rotate. 4 The feet act to reduce vibration while the machine is under use. 5 Wide application: suitable for conveyor stands, equipment, copiers, printers, modular framing enclosures, electronic enclosures, manufacturing machinery and automation enclosures, shop equipment, diagnostic equipment, etc.Features: Made of premium nylon and aluminum alloy, 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: GD-60F Material: Nylon + Aluminum alloy Weight: Approx.2944g/ 103.8oz Mounting height: 82mm/ 3.2inBaseplate Size:Approx. 73 x 73mm/2.87 x 2.87inchHole Distance:Approx. 58 x 58mm/2.28 x 2.28inch Load Capacity: 250kg/ 551lbs Package List: 4 x Caster Note: Please allow slight error due to manual measurement. Thanks for your understanding.