Gibraltar has developed compact performance stools, new seating options for all musicians. These performance stools are built with Gibraltar hardware features like the super rubber foot that creates a solid foundation, all cast metal parts with no metal to metal contact, tripod memory lock, and adjustable footrest. All add up to solid seating in a compact package. Features include: · Available in 21 inch. or 27 inch. fixed heights with tripod memory lock · 13 inch. round seat with 2 inch. padding · Footrest attached to leg base · Pre-drilled for optional lower lumbar back rest