Alexander Universal Bed Raiser - PairHigh grade steel Fuss free installation Sold in pairs Adjustable Height: 8. 5 12. 5cm (3. 3 5 inches) Width Adjustment: 74 147cm (29 57. 8 inches) The Universal Bed Raiser is designed to discreetly raise the height of a bed locating and securely clamping onto existing furniture legs or castors. The telescopic frame ensures fitting to most sizes of bed, from single to king size. As the product is actually secured to the bed it becomes an integral part