A set of four moulded blocks, linked together by slotted wooden straps for added security. The system is clamped in position with two wing nuts and the height is adjusted by inserting the blocks supplied.
Raises height of chair 75, 95 or 114mm (3, 33/4 or 41/2″).
- Maximum width of leg 70mm (23/4″) diameter
- Overall width adjustment 432 x 330mm (17 x 13″)
- Weight 2.5kg
- Max total load 500kg (78st)