19/32 inch Thick - used by several Companies including Hurd, Capitol, Metal Industries, Coronet and others.
NOTE: This is thicker than similar ones, please pay attention to dimensions and additional images. This will not fit in a 17/32 opening.

Each coil spring has a number embossed on the side above the screw that determines the strength of the balance. Based on this, you will need to select the corresponding weight from the dropdown below.
They may have one or more coils and the coils may have different numbers on each coil if used in doubles.

Coil Diameter: 1/2 inch wide spring
Number on Coil: Number embossed on the side determines the strength of the balance.
Plastic Balance Shoe: 1-1/4 In Wide and 19/32 In thick ( almost 5/8 inch )
Sold in Singles and Doubles - Choose from list below

NOTE:
Priced and sold each. (Best if Replaced in Pairs). Should not mix old with new