The universal Spool holder is designed for mounting 1 or 2 spool with diameters from 100 mm to 250 mm. To assemble the Spool Holder, you need: Stand SpHl-01 - 2 pcs. Roller SpHl-02 - 4 pcs for a single holder and 8 pcs for a double holder. Carbon steel axis - 2 pcs. There are three versions of the holder: with a diameter of 4, 5 or 6 mm. The recommended length of the axis is 125 mm for a single holder and 225 mm for a double holder. Screw M3 x 16 - 4 pcs. Nut M3 - 4 pcs. files: SpHl-01-4 and SpHl-02-4 for axes with a diameter of 4 mm SpHl-01-5 and SpHl-02-5 for axes with a diameter of 5 mm SpHl-01-6 and SpHl-02-6 for axes with a diameter of 6 mm