1. mail order design, one unit into one retail box 2. Tool free assembly 3. NOn slip comfort grip makes bathing safer For above design, there are two models:one design is height adjustable from 14" to 17", model M1202-1one design is height not ajustable, fixed, model M1202-2 Specs:1. Turn knob for easy adjustment2. Tool free installation3. NOn slip comfort grip makes bathing safer and more ...