Tetra-Teknica Essentials Series GFR-01 6-Position Height Adjustable Guitar Foot Rest, Color Black Non-slip rubber surface & metal frame make it sturdy and durable Foot rest size: width 4"; length 10" 6 position height adjustable from 4.5" to 9.5" Protective, non-slip rubber end caps prevents slipping and protects floors Folds flat for easy storage and transport