Wall mounted Empty Spool Holder

Empty spool holder, each holder holds two spools. Can be mounted directly to the all or on a 1 x4 or 1 x 6 piece of wood. images shows 6 holders mounted to a 1 x 4 which holds 12 empty spools. when mounting multiple holder be sure to leave enough space between each holder. ****Designed to be mounted vertically**********