Double functions: for threading, it can help pass thread through the needle eye conveniently, in case of poor eyes or poor lighting This set of needle threading tools are made of quality plastic and metal, durable and firm to use, solid construction, not easy to deform or break, good quality that can serve you for long time Suitable for most of the household multifunctional sewing machines without automatic threading, and it is also work for the locking machine, the tension sewing machine, old sewing machine etc. These automatic needle threading tools are made of reliable metal and plastic, safe and durable, not easy to be broken, can serve the you for a long time. Inserter holds needle steady for easy machine insertion and removal. great for replacing or adding drawstrings, making your craft work easily and quickly, save both effort and time.