Adjustable handle with swiveling tray eases sitting or standing. Ideal for people who have impaired balance, back pain or are recovering from recent surgery. Tray pivots 360. Sturdy, ergonomic handle adjusts in height from 34" to 40" (86 to 102cm). Base length adjusts from 20" to 36" (51 to 91cm). Base feet measure 4" x 7" (10 x 18cm). Rubber anti-skid pads ensure stability and protect the floor. Chair legs are placed on the base feet for counterbalance. Can be positioned for use on either the left or right side. Quick and easy assembly; no tools are required. Tray measures 16" x 18" (41 x 46cm) and supports up to 30 lbs. (14kg). Handle supports up to 250 lbs. (113kg). The Assist-A-Tray weighs 19lbs. (8.8kg).