These sturdy linked chair raisers are width, depth and height adjustable making them suitable for a large range of chairs and users. Designed for use on dining, fireside and armchairs, the cup mountings fit any castor or leg up to 50mm (2') in size. Manufactured from coated steel, they are both strong and durable. Adjustable to fit chairs from 545 to 945mm (211/2 to 371/4') taking the diagonal measurement from leg to leg. Supplied folded away for ease of storage, they are quick and easy to assemble.