Feature: Strong Load Capacity: This filament storage rack supports 100 lbs per shelf (500 lbs total), ideal for storing 3D materials. Made from durable carbon steel, it keeps everything secure and stable, helping boost your workflow Neat Storage Solution: This filament rack features 5-tier single-row shelves, each holding 9 spools, with a total capacity of 45 spools. It keeps your workspace tidy and efficient, making it easy to access your 3D materials when you need them Fits Various Sizes: With adjustable pipe spacing (7 inches), this filaments spool holder fits a variety of spool sizes (200-1000g). It’s highly versatile, ensuring your storage is neat and your space is maximized Complete Accessories: Everything you need to assemble this filament stand is included—bolts and wrenches! Easy setup means you can get organizing without extra tools or hassle Versatile Design: With hooks for hanging and a dedicated spool layer, this filament shelf offers flexible storage to optimize your space and keep everything in order Package Content: 1 x 3D Printer Filament Storage Rack 21 x M6*30 Hex Socket Head Screws 8 x M6*50 Hex Socket Head Screws 8 x M6 Nuts 4 x Hooks 4 x Foot Cups 1 x Hex Wrench 1 x Socket Wrench 1 x User Manual