The Long Ultra Limb Front --- $350.00 The Long Ultra Limb Hind --- $375.00 The Ultra Limb is so named because of its special usefulness for teaching and studying cross-sectional ultrasound images. This model has a sagittally divided, hinged hoof beneath the cross-sectioned limb. The Long Ultra Limb Front includes the carpus and about three inches of the radius.   Hind limbs including the hock are also available.