Flexible safe: anti-steel wrel type Turntable, can prevent leakage, and 360-degree rotation, flexible steering, double brake design, stop running at the same time can also stop the direction of rotation, to operate more securely Detail Design: Roles with dust and dust cover, effectively block dust and prevent winding, holder thickness is 2.5 mm, built -in new bearings, wear strong loads, each 4 inch rolls can wear 250kg Rolling noisy: The wheel is made of rubber, art by a special process, highly elastic, quiet and can effectively protect the soil Dimensions: roller diameter 75mm, assembly height 110.5mm, Wenderadius 115mm, bike width 32mm, thread options M16 (16mm) Applications: The roles are widespread in houses, offices, hospitals, camps, schools, exhibition stands, small and medium -sized material transport, heavy devices, cars and factories. They are Perfect for heavy furniture and devices, Weight: 5.82461296204 Pounds, Manufacturer: Prterver