No tools are required to assemble these durable, rustproof, composite benches. Optional removable handles help aid in patient balance, while the built-in handheld shower holder on each side and non-slip finished seat and four suction feet offer additional safety. Precise, height-adjustable legs can be manipulated in one-inch increments. Supports weights up to 300 lbs. White.Limited lifetime warranty on frame. Six month warranty on handles, feet, suction cups, push buttons, and any "wearable" parts.