A:This machine is equipped with the device of lasting height micro switch, which makes the machine easily adjusted and positioned accurately. B.The chain surrounded on the back of heel band provides perfect and tight attachment of shoe last to the band. Consequently wrinkle formation is totally impossible.Replacement of different bands can be made by simple operation. Machine size：120*76*142cm Packing size: 127*82*168cm Daily output: 2000 pairs/8 hours Weight: 500Kg Motor: 2HP