Central shaft is driven at 2:1 gear. Electromagnet is controlled by
computer program, which makes 1¡4.4¡4 drop box change shuttle
automatically. Small volume, light, sealed, long use life and
convenient maintenance. Type 1515 and type 1511 have 41mm box
distance and 44mm box distance respectively. Dimension:35¡27¡39mm
Weight: about 59kg, accessory: about 20kg