COOWOO 3" Stem Caster Wheels with Safety Dual Locking, 1/2" -13 x 1-1/2" Heavy Duty Threaded Stem Casters, No Noise Swivel Castors with Brakes, 250 Lbs Load Capacity Per Caster(Set of 4)

About COOWOO Stem Casters Every sales representative of COOWOO has been doing engineering before selling and, this tradition started from my great grandfather. We spent decades on the workmanship improvement of our caster wheels, providing the best solution to our customers. Each model of our caster wheel is tested for thousands times before it is proven to be qualified for listing online. And every single caster will go through several times of quality checking in factory so as to avoid defectives. Specification: Overall Height: 135mm/5.31 inch Overall Length: 135mm/5.31 inch Wheel Diameter: 75mm/2.95 inch Wheel Width: 32mm/1.26 inch Stem Height: 38mm/1.5 inch Stem Diameter: 12.7mm/0.5 inch Nuts Diameter: 18mm/0.71 inch Capacity LBS: 1000 Lbs (250 Each) Bearing: Double ball bearing Special Feature: Lockable and Swivel Package Includes: 4 x Stem Casters 4 x Nuts 4 x Washers 1 x Wrench 1 x Year Service Installation Tips: Ways of installation may vary from projects you are applying to, but the first step is quite the same. You need to press down the brake lever and lock the swivel plate before you go any further.