Description: Perfect for insert the line to the eye, prevent your eyes get sick and the light of environment is not better. Help you to exchange the for the sewing machine,can hold the machines to not fall down. Suit for lots kinds of domestic sewing machines which can not exchange the by itself,aslo suit for interlock machine. Size: Approx. 2.87 x 0.47 inch / 73 x 12mm Material: Plastic Color: White HOW TO USE IT? Cut the power off. Hold the grip Insert the into the clamp and push it up as far as it will go. Then tighten the clamp screw firmly while keeping the holder in place. Cut the power off. Hold the grip of threader with mark up. Guide the thread, inserting it into the Y-groove of the knob from right to left. Place the V- groove over the just above the eye. Slide the threader down the while pushing it gently until the threader pin goes into the eye. Push the grip. Remove the threader from the slowly. Then pick up the loop with hoo Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store