3M-Matic Adjustable side belt drive top & bottom case sealer- Model 800A. Seals up to 30 cases per minute, using tape widths from 1-1/2" to 2". Seals case lengths of 6" and up, widths of 4-1/2" to 21-1/2", heights 4-3/4" to 24-1/2". 120V/60/1 ph
Early 2000's machine in good condition
Link to online manual:
http://multimedia.3m.com/mws/media/75848O/3m-matictm-case-sealer-800a.pdf