Coldene’s Height Adjustable & Jacking Castor range are quickly becoming one of most popular in the UK. These are broken down into 4 categories, Stem Castors, Threaded Jacks, Box Jacks & Side-winding Heavy Duty Jacks. Each type is designed to allow the user to raise and lower the application they are fitted to. They are all available with a wide range of wheel types to accommodate all floor surfaces. The basic principal is to fit the Jacking Unit to your application, and use the lever to adjust the height of your unit, whether you are lining up separate pieces of equipment or loading products from one place to another, there are the perfect height adjustment solution for you.