Caster Wheels: 
Our industrial casters are made from industrial-grade zinc plated steel, precision ball bearings, and durable TPR rubber wheels, which gives them a long lifespan and makes them to protect against corrosion and rust
Casters set of 4 Heavy Duty: Solid steel support is extremely durable. Each 3 inch caster wheel can bear 135kg of load, making a total of 520kg load capacity for 4 wheels

Locking Casters: 
Dual locking and double ball bearing for maximum safety. It can brake while positioned in the forward direction of the wheel as well as the rotation direction

Swivel Casters: 
Castor wheels feature a top plate swivel, the wheels can rotate 360 degrees and transport heavy items smoothly from one place to another without leaving any traces on the floor

Wide Use and Easy Assembly : 
Our 4 inch casters set of 4 can be used for both indoor and outdoor equipment. You can use for cart, furniture, workbench, toolboxes, electrical enclosures, speakers, trolley etc. It comes with stainless washers and mounting screws for easy installation

Size: 
4 inch swivel caster wheel: 12.5cm x 6.2cm x 9.3cm
4 inch fixed caster wheel: 12.5cm x 6.2cm x 9.3cm

Weight:
4 inch swivel caster wheel: 740g
4 inch fixed caster wheel: 450g

Package includes: 
2x Swivel with brake caster
2x Fixed Caster Wheels