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