Walkers aid mobility for elderly, post-surgery patients, or those with balance issues, available in standard, wheeled, and rollator types. Standard walkers feature four rubber-tipped legs for maximum stability, requiring users to lift and reposition with each step ideal for hip/knee recovery. Two-wheel walkers add front wheels for easier forward gliding while retaining rear stability. Four-wheel rollators offer all-wheel movement, hand brakes, seats for resting, baskets for storage, and adjustable heights perfect for longer outdoor walks. Three-wheel models enhance maneuverability in tight spaces. Upright/gutter-frame variants support forearms for weight-bearing relief. Key features include height adjustment (elbow 30° flexion), lightweight aluminum frames (<10 lbs), anti-slip tips, and foldable designs.