Langham Grip-On Furniture Raisers Chair Risers 3.2-4.5cm Raise 4 Pack - BARGAIN.

Standard Raise: 3 inches (7.5 cm) out of the box, constructed from individual 1-inch (2.5 cm) interlocking sections.

Height Range: Adjustable from a minimum of 1 inch (2.5 cm) up to 3 inches standard.

Weight Limit: 500 kg / 78 stone / 1,100 lbs total capacity.

Mechanism: Tool-free "doughnut" gripping mechanism that securely clamps onto furniture legs/castors without causing surface damage