Model: Mk2b Main Color: Red Compatible with all Prusa and Mendel 3d printer variants. Size: 214mm x 214mm Etching: 35um Model: Mk2b Main Color: Red Compatible with all Prusa and Mendel 3d printer variants. Size: 214mm x 214mm Etching: 35um copper Laminate: FR4 1.6m Material: Electric Parts Package Content: 1 x 3D Printer PCB Heat Bed Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.