1.Secure Mount design allows for easy, secure installation at any angle. 2.Durable, rust-resistant stainless steel construction.In addition to not the same length, other dimension are the same . 3.Easy to grip handle provides strong and secure support,Perfect for bathroom, shower or anywhere in the home where a safety rail is required. Type:Grab Bars Size Types: 30cm or 40cm or 50cm Material: Stainless Steel Color: Silver Length: 30cm or 11.81",40cm or 15.74",50cm or 19.68" Height: 7.5cm or 2.95" Pipe diameter: 2.5cm or 0.98" Connecting diameter: 5.8cm or 2.28" Package Contents: 1 Pcs Grab Bar (Include 6 screw, 6 screw sleeve ) Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.