3M-Matic™ Case Sealer 800ab3 with 3M™ AccuGlide™ 3 Taping Head is a manually adjustable unit that automatically seals the bottom center seam on a wide range of case widths. The twin gear motor drives power traction-grip drive belts on each side to center and stabilize cases up to 85 lbs. (38kg). This case sealer uses 2-3” (48-72mm) Scotch® box sealing tapes and seals up to 40 cases per minute.