Features 1、Scope of Application: The thread tension assembly is suitable for old fashioned shoe mending machines, old fashioned three thread overlock sewing machines, industrial bar tacking machines, etc 2、Stainless Steel Material: The sewing machines thread tension parts are made of stainless steel material, which is sturdy and durable and has a long service life 3、Small and Compact: The small and compact body does not take up too much use space, which is convenient for storage and use 4、2 Pcs: The package includes 2 sewing machines thread tension parts to meet your daily sewing replacement parts needs 5、Simple Operation: Operation is simple and convenient, the thread tension assembly yarn trapper can be used without complicated process Specification Item Type: Thread Tension Assembly Product Material: Stainless Steel Product Specifications: 2 Product Use: Household Product Size: Approx. 3.5 x 1cm / 1.4 x 0.4in Package List 2 x Thread Tension Assembly