Elevates feet and legs to relieve lower back pressure Simple height adjustment provides 3 platform heights Steel structure and platform provides sturdy support No fixed angle enabling rocking motion to improve circulation Anti slip platform surface Tested by FIRA International Ltd to comply with the ergonomic requirements set out in European Health and Safety Legislation: EN ISO 9241-5 Platform size: 56 x 34cms Height adjustments: 10.5/12/13.5cm Incline range: up to 25° (Approximate)