Features: brand new and high quality Newly upgradespring sheet with a new processing method.The surface is much finer and smoother. The aluminum sheet is made of high-quality Mic 6 aluminum alloy, with high hardness, corrosion resistance. Excellent processing performance and welding performance and good oxidation effect.. Size:approx 300x300mm/11.8x11.8in for most mini 3D printers Voron for Trident and similarly sized machines. Simply place the steel platform, It can bear high temperature for printing. Specifications: Color: As Pictures Material: Mic 6 Aluminum Size:approx 300x300mm/11.8x11.8in Quantity: 1PC Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1x Printer Spring Steel Sheet