[T-REX CASTER] 4inch Heavy Duty Casters, All Swivel Plate Caster Wheels with Safety Side Locking and Rubber Plastic Load Capacity - 840 Lbs Per Caster (Pack of 4) Unversal Fit. P504S-4B

✔Specifications Capacity : 280lbs each Plate Overall Size : 2-1/2x3-3/4 Bolt Hole Spacing 1-3/4x2-3/4 slotted to 3 Attaching Bolt Size: 5/16 Wheel Diameter: 4inch Wheel Width: 1.26inch Overall Height From Plate to bottom of wheel : 5.1inch Wheel Materials: RUBBER PLASTIC Color : GRAY Bearing : Double Bearing ✔Package Includes: 4 x Casters 16 x Washers 16 x Bolts (Cross Head)

• ✔ Feel the stability and durability of T-Rex only - It uses thicker body material and double race structure, making it as powerful and durable as T-Rex. The wheel is made of high quality durable double bearing, which is more sturdy and safe to operate under high load conditions.
• ✔ Ensure user safety through system - We put safety first. In various situations, It is easy to operate the brake, and a cover device that protects the caster is applied. You can prevent sudden accidents from foreign objects when moving.
• ✔ Use all types work site or in your home - These are designed as RUBBER PLASTIC type for use with all types work site or in your home. Easy to transform to any directions that you want, and spend little strength to move on. where smooth movement supports up to 840 lbs as a set of 4
• ✔ Easy install in 5minute - We provides 16 bolts and washer to help you easily assemble for all equipment. (At first, only wheels were sold, but many customers asked for them, so we are providing bolts and washer for free.)