this machine called  glue tube crochet machine there are some technical data ：l,numbers of bobbin:6 Spool weight bobbin weight: 5kg - the pin number can change. Driving motor power 5kw,380v,3p Motor speed range 0-15rpm Disk speed regulation range 0-450rpm Center height 1050 Products products diameter:1/4 in diameter, three-eighths, one-second, 1, 11/18,5/4,3/2,7/4,2 inches Machine dimensions l w high 1500*800*1700mm ( for reference ) Other Devices broken pins, Bolt and cable disruption warning device