本机采用球型及针状轴承，配合连杆式天秤，摩擦小，免保养；全回转垂直式轴之梭头附梭壳开关器；附有操作简便的安全离合器，可减少梭头的损坏。双滚轮式齿轮送及针送式轮线，压脚，爬坡时仍能保持一定缝目，车缝薄料不起皱，车缝厚料缝目美观适用于鞋类、皮革制品等的高品质车缝及包括饰缝。
This model adopts ball wheel and needle bearing,matching the connecting rod type, to reduce friction and to avoid maintainance; shuttle switch of full-rotation and uprightnessused; a security for a device to operate,greatly reducing the large flame damage; when spongy material is sewn, it will not transform; instead, it shall be sewn very smoothly and neatly. not wrinkling when sewing thin materials. with pleasing outline when sewing thick materials. suitable for sewing shoes and 
leather goods etc which need high quality sewing.