This is a quality scalloped tall and slender bell shaped lampshade frame for making a  tailored soft bodied lampshade. 
Base diameter 10” Slope height 10” Top diameter 5” Reversible gimble with standard UK fitting approx 30mm fitting.This is a new and unused frame but is sample stock from a UK factory and has been stored for some years so will have scuffs/grubby marks/yellowing and may benefit from a light respray to the visible gimbles.