Pennsylvania made 3/16in thick aluminum laser cut and formed thread racks. Wall mounting. Capable of holding 10 Large Isacord Spools, however, this rack will fit any cone up to 6,000 yds. The posts are 3.00in spaced evenly on centers and each post is 4.36in long. The provided mounting holes are spaced at 16in centers for easily mounting to wall studs. Overall dimensions are 30in wide, 4in thick and 6 inches wide. Threads shown in images are not included.