Two sets of mainspring winders make one full set 5.68mm -20mm

All have good and undamaged arbor hooks. Set on left is MKS has 6 barrel sizes and both left and right winder arbors.

5.7, 6.2, 6.7, 7.7, 9.1, 10.6mm

3 right arbor and 3 left some shared. I included the left hand Bergeon winder for the 5.7 that doesn’t come in the original set.

The other is a plate type set by HP. It has 6 barrel sizes and 8 winding arbors (6 right and 2 left)

12.4, 14, 15.6, 17, 18.6, 20mm all right (black)

12.4, 14mm Bergeon left hand

Ask if you have any questions.