cage system roller frame Specifications: 1) Size: 3" ,4?7?9?9.5?12?18" 2) Cage diameter: 1?, 1?, 2? 3) length:11?13?17.5? Cage style roller frame. Handle is threaded for use with extenson pole Description: 1) Steel shaft and wire 2) Chrome plated or zinc plated American style handle & European style handle & wood handle are can be changeable