Clock Mainspring Loop End - Clock Tools
Mainspring Loop End of Sizes:
-7.50 X 0.22 X 550mm
-6.00 X 0.33 X 420mm
-5.00 X 0.30 X 450mm
-4.35 X 0.30 X 600mm
-3.25 X 0.27 X 600mm

Mainspring Loop End of Sizes:
-7.50 X 0.22 X 550mm
-6.00 X 0.33 X 420mm
-5.00 X 0.30 X 450mm
-4.35 X 0.30 X 600mm
-3.25 X 0.27 X 600mm