Magma Guitar Foot Rest with Height Adjustable Rubber End Caps and Non-slip Rubber Padfor Com fortable and Solid Support(PDG001B)Descriptions Made of heavy duty metal, sturdy construction with fine workmanship Height adjustable up to four fixed height positions. Maximum height: 10" 26cm, Minimum height: 3. 9" 10cm Features rubber end caps and a non slip rubber pad for excellent stability Provides six tune ergonomic playing positions to classical guitarists or studio electric guitar players Easy to set up, folds flat for convenient storage or transport