Description: All Features From MK2A and you also can Operate this Board now with 12v or 24v A Central Mounting Hole on the Front Side to Allow For Three Point Mounting. This is much easier for Bed Leveling in comparison to 4 Point Mounting. First Level the side with two Holes and Fix in place, then Level the Side with one Hole. A Glass Plate is highly Recommended to provide a Truly Flat Surface and Rigidity The Pads to Solder onto have been Greatly increased as shown in the picture. Specification: Dimensions: 214mmx 214mm Laminate FR4 1.6+-0.15mm 2 layer, 35?m copper Red Soldermask - both sides White Silkscreen - both sides Power Input: 12V or 24v copper plated holes resistance between 1.0 and 1.2 ohm Very good in combination with RUMBA or Taurino Power Package Includes: 1x PCB MK2B Heat Bed Hot Plate