3M-Matic™ Side Belt Adjustable Case Sealer 8000a3 with 3″ 3M™ AccuGlide™ 3 Taping Head is an adjustable side belt drive case sealer. This adjustable case sealer comes equipped with a spring-loaded, side belt drive designed for narrow profile boxes. Engineered with 3M™ AccuGlide™ 3 Taping Heads, this case sealer offers reliable application of 3″ Scotch® Box Sealing Tape without box damage.