Brand new and high quality. Made from high-quality metal material, this support rod kit is durable, firm, and stable, enhancing your 3D printer's stability and improving print quality. Easy to install and remove without drilling, simply screw it into place. Available in two heights: 400mm (for machines up to 400mm height like CR-10/CR-10S/CR-10 S4/TEVO tornado fan type) and 500mm (for machines with a 500mm print height like CR-10 S5). Specifications: Item Type: Complete Support Rod Kit Material: Metal Package Size: 36x15x5.6cm/14.1x5.9x2.2in Color: Black Height Options: Type A: 400mm, Type B: 500mm (Optional) Quantity: 1 Set Note: Please allow a 1-3mm error due to manual measurement. Colors may vary slightly due to different monitor settings. Package Includes: Type A: 4 x Tie Rods (285mm), 2 x Connector A, 2 x Connector B, 4 x M6x35 Moving Bolts, 2 x M6x40 Screws, 4 x M6 Nuts, 8 x M5x8, 4 x M5x10, 10 x M5 T-nuts, 1 x Allen Wrench, 1 x Wrench. Type B: 4 x Tie Rods (285mm), 2 x Tie Rods (140mm), 2 x Connector A, 2 x Connector B, 4 x M6x35 Moving Bolts, 4 x M6x40 Screws, 4 x M6 Nuts, 8 x M5x8, 4 x M5x10, 10 x M5 T-nuts, 1 x Allen Wrench, 1 x Wrench.