2pcs T8 L300mm Dia 8mm Lead Screw and Nut for Prusa i3 3D Printer Z Axis

If you want to make your printing platform flat enough, ideal stuff is glass sheet. Tempered Silicon glass is rated for higher temperatures than normal sheet glass making it a better material for use as a heated bed. After cracking a few sheets of normal glass from rapidly cooling or heating, tempered glass will quell your frustrations. Different Sizes: 220mm x 220mm x 3mm 213mm x 200mm x 3mm 230mm x 150mm x 3mm 300mm x 300mm x 3mm 300mm x 300mm x 5mm 300mm x 200mm x 3mm 215mm x 215mm x 3mm 120mm x 120mm x 3mm 140mm x 3mm 200mm x 3mm Package: 1 * Glass Plate