The stand is designed to sit behind embroidery or sewing machines for smooth and convenient thread delivery. Thread remains on the stand and you thread directly to your machine, so changing colors i quick and easy. Many sewers use two or thres stands to stage embroidery jobs. Two sets of thread caps for small and large spools are included. Thread stand accommodates all types of thread spools including King cones, mink kings, snap spools, wound and crosswound sewing spools. Specialty thread guide, King Spool stabilizers, thread retainer and horizontal spool pins included Thread lubricator included, assembly required