Winch 426F701 left, for roller blinds, with worm gear, reduction ratio 3,5:1, square exit mm 7, with cardanic joint, applied male 9,9mm, external diameter mm 58, usable on rollers diameter mm 60, without end stop
See the catalog of Tami Stamp's Precision and Small Metal Parts
Suitable for dozens of different applications that can also be made to measure