The Rifton Pacer gait Trainer Small, model K501, is a gait trainer designed for use by children with walking and balance disabilities. This gait trainer features five supportive prompts that provide weight-bearing assistance and alignment. The prompts mount on the top bar with clamps, and can be removed when they are no longer needed. The basic unit is a lightweight aluminum frame with a stable U-shaped base with four large-diameter caster wheels. The casters have separate control features for brake, swivel lock, variable drag, and one-way ratchet control, to use in any combination to control movement. The frame with prompts can be used in an anterior or posterior position. The frame telescopes for height adjustment to accommodate growth. OPTIONS: Arm prompt set, small or medium padded chest prompt, molded hip positioner with or without pad, thigh prompt set, ankle prompt set, handholds, and communication tray. DIMENSIONS (LxWxH): The frame is 32.5 x 22.5 x 15 to 18 inches. The arm prompt height is 17.5 to 26 inches and the chest prompt height (top edge) is 21 to 29.5 inches. The small chest prompt circumference adjusts from 14 to 28 inches and the medium chest prompt adjusts from 22 to 40 inches. This unit is designed for users with a standing elbow height of 17.5 to 26 inches. CAPACITY: Maximum user weight is 75 pounds WEIGHT: 14 pounds. COLOR: Red, blue, purple, champagne, raspberry, or electric lime.