Specifications:- Extendable Overall Dimension(LxWxH): 22 1/4" x 16 15/16" x 30 1/2" (56.5 x 43 x 77.5 cm)- Adjustable Height: 26 9/16" to 30 1/2" (67.5 to 77.5 cm)- Weight Capacity: 375 Lbs (170 kg)- Material: Aluminum Alloy- Net Weight: 3.3 Lbs (1.5 kg). Package Contents:- 1x Toilet Safety Rail- 1x Manual. Notice: - Before purchasing, please measure your toilet's seat mounting holes distance and make sure the distance is 5 1/2".