本機采用球型及針狀軸承，配合連桿式天秤，摩擦小，免保養(yǎng)；全回轉(zhuǎn)垂直式軸之梭頭附梭殼開關(guān)器；附有操作簡便的安全離合器，可減少梭頭的損壞。雙滾輪式齒輪送及針送式輪線，壓腳，爬坡時仍能保持一定縫目，車縫薄料不起皺，車縫厚料縫目美觀適用于鞋類、皮革制品等的高品質(zhì)車縫及包括飾縫。
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.