Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si HEAVY DUTY : Steel structures body is extremely hard wearing, which will effortlessly moving gracefully the room (or even outside) and perfect to be fixed in one place with brakes. LOAD CAPACITY: 4 wheels can totally 400kg (100kg each ). Heavy duty furniture combined with a high load capacity. FLEXIBILITY & SAFETY: Swivel rotate which makes turning the mating equipment possible, which is good for transporting light furniture and displays quietly and safely. MULTIPLE USAGES: This kind of wheel is mostly used for flight cases, , dollies, workbench, furniture parts and some certain equipment. 75mm wheel with swivel lock brake prevents wheel roll or swivel. The wheels are designed to roll smoothly on hardwood or slick style flooring. Perfect for a huge of uses from DIY to industrial applications (home, schools, shops & hospitals). Height: 105mm/ 4.1inch caster size: 75mm Top Plate size: 60 x 60mm/ 2.36 x 2.36inch (L x W) Wheel Size: 75 x 24mm/ 2.95 x 0.95inch (D x T) Feature: Lockable and Swivel Net Weight: 1.4 Pounds Use for: Trolley, Furniture, , Carts, etc. Color: transparent Material: PVC Package Contents: 2 x Swivel Wheels 2 x Swivel with Brake Wheels Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.