Product Name: Leather Hand Sewing toolHand sewing machine size: about length 130mm, diameter 30mm5 needle size: needle length 45mm, pin hole 1.5mm, width 0.5mm8 needle size: needle length 54mm, pin hole 1.5mm, width 0.8mmWire wheel size: Wire length 10 meters, wire diameter 1mm.Note: because the handle of this hand sewing machine is made of wood, the color may have some differences with the picture, but it doesn't affect the use. Please don't worry.Installation instructions:1, using a set of wrench to open2, open all the parts3, the needle upside down into the wire4. Pull out the wire after the needle is pulled out.5, according to the normal direction of the needle into6, at this time will turn the line into hand sewing machine7, use wrench to tighten the screws8, complete