The KA58L has an adjustable height from 400 to 550 mm. The product naturally sits on a 10 degree angle and has a top area size of 500 x 400 mm. KA560S – Small Foot-Rest & KA560L – Large Foot-Rest The angled footrest is available in two heights, Small (125 mm) and Large (200 mm). Both Rests feature a black non-slip, ribbed rubber surface. Colour coordinated padded footrests are also available.