Needles 9 - 12
If Quickthru Needle Threader is used with needles larger than appropriate or with the needle incorrectly inserted, the fine thread guide pin can become damaged or broken. Knowing this may happen, Sewline has designed the Threader so that just the mechanism needs to be replaced. The broken Replacement Cartridge is easy to slip out and even easier to slide in the new. Replacement cartridge for the 'Quickthru Needle Threader', from Sewline.