MK2B Heatbed The MK2B 3D printer heat bed is a dual powered PCB heatbed that is designed for compatibility with 3D printers. The Mk2B heat bed is manufactured with high quality glass fibre that provides a truly flat surface and rigidity. The solder pads of the MK2B heat bed has a huge size that makes it easier for using surface mount components. This item is manufactured with premium material for durable and long lasting use. The prints come off cleanly with no lines on the bottom from multiple pieces of tape. Easy to apply and remove, with strong adhesion. Compatible with any 3d printer that can accept the ramps mk2b version of heat bed like reprap, mendel, prusa and other various DIY 3d printers. These boards are all fully tested to confirm even heat distribution and correct resistance note: before touching, power off the heat bed and wait at least 10 minutes; still hot after powered off; do not leave unattended; keep away from children as the nature of the PCB material, flatness can't be defined and you will need an aluminum or glass top plate 12v connection: one cable connected to terminal 1(+ve), another cable connected to terminal 2 and 3 (-ve). Default connection provided with product for 12v power supply. Made of high quality material, it is durable and long lasting use. - Perfect tape to use for your 3D Printer. - Prints come off cleanly with no lines on the bottom from multiple pieces of tape. - Easy to apply and remove, with strong adhesion.