1-5kg spool holder with a built-in PTFE tube holder! Perfect solution for feeding filament from large scale of different spool sizes into your printers! A simple, robust and error-free solution for e.g print farms, printing environments lacking space, etc! Supports all filament spool sizes from 1kg (outer diameter of 200mm) to 5kg (outer diameter of 300mm, with thickness of up to 155mm).