Improved spring mechanism! Support rail folds up against wall when not in use. Larger-diameter 1 1/4" (3.2cm) rails provides a secure grip. Attaches to a plate that is fixed to the wall. Spring mechanism reduces effort required to lower and raise rail, and holds it securely out of the way when not needed. 30"-long (76cm) rail is epoxy-coated steel tube. Hardware not included. Recommend installation by a qualified professional. Maximum user weight 279 lbs. (127 kg). Does not include toilet rail holder. ***For health reasons we are unable to accept returns or exchanges of eating, hygiene and mouth stick products.***