12 CARTRIDGE HEATERS (1400W; 480V). THE HEATED PLATEN ITSELF IS APPROX 2.75” THICK. ONE PLATEN HAS 8 MOUNTING HOLES; T-SLOTS BUILT IN AND APPROX 2.5” OF INSULATION INCORPORATED FOR A TOTAL THICKNESS OF APPROX 5.25”. THE OTHER PLATEN HAS A 1.5” THICK T-SLOTTED PLATE THAT IS REMOVEABLE AND 4 MOUNTING HOLES. THE OVERALL THICKNESS INCLUDING THE T-SLOT PLATE AND THE INCORPORATED INSULATION IS APPROX 5.5”. THE OVERALL FRONT TO BACK DIMENSION ON BOTH INCLUDING THE TERMINAL COVER BOX IS APPROX 42.5”. THE THREE FRONT TO BACK T-SLOTS ARE 0.75”. APPROX 1,300 AND 1,800 POUNDS RESPECTIVELY. ITEM #2402.