Chair Risers Wooden 7.5cm Set of 4: These hardwood furniture height increasers feature three recesses (16mm, 5/8 inch) in various diameters to accommodate different leg widths. With a cube height of 111mm (4 3/8 inch) and height raise of 75mm (3 inch), they can support legs up to 30, 50, or 75mm (1 1/4, 2, or 3 inch) in diameter. Each riser weighs 425g, and they come in a set of four, designed to handle a maximum user weight of 380kg (59 3/4st). These versatile chair risers offer a practical, simple solution for adjusting your furniture to your needs, ensuring stability and security, for quick and easy use.