AquaSense Adjustable Bath and Shower Seat: * Lightweight, corrosion-resistant aluminum frame * 300 lb. (136 kg) weight capacity * Fits effectively with almost any bath mat * Easy, tool-free assembly * Model # 770-500 * Specifications: * Seat: 20" (51 cm) x 12" (31 cm) * Seat height: 14" (36 cm)-21" (53 cm) * Foot print: min 17" x 17" (43 cm x 43 cm); max 20" x 17" (51 cm x 43 cm) * Weight capacity: 300 lbs./136 kg