Easy and convenient for handling Double functions: for threading, it can help pass thread through the needle eye conveniently, in case of poor eyes or poor lighting; For inserting, it holds needles firmly to p-revent falling while changing needles Common dimension: the sewing needle inserters are approx. 7.5 cm/ 3 inches in length and 1 cm/ 0.4 inch in diameter, common size, Material: Durable material: this set of needle threading tools is made of quality and metal, quality and durable, not easy to break, can serve for a long time Wide range of usage: it is suitable for all kinds of household multifunctional sewing machines without automatic threading, meanwhile, some old sewing machines can also use it Size: 7.5 x 1 x 1 cm. Color: Dark Blue. 1 x Sewing Machine Threading Machine Wide Range Of Usage: It Is Suitable For All Kinds Of Household Multifunctional Sewing Machines Without Automatic Threading, Meanwhile, Some Old Sewing Machines Can Also Use It Double Functions: For Threading, It Can Help Pass Thread Through The Needle Eye Conveniently, In Case Of Poor Eyes Or Poor Lighting; For Inserting, It Holds Needles Firmly To P-revent Falling While Changing Needles Durable Material: This Set Of Needle Threading Tools Is Made Of Quality And Metal, Quality And Durable, Not Easy To Break, Can Serve For A Long Time Easy And Convenient For Handling