Check the listing for details. TCN Vending Machine Single Chip Coil 8 Count. Condition: New – Open box. Listed at 12.00 USD. 8 Count chip or patisserie coil used on TCN and TVC combo vending machines. This is the single coil. This will not replace a double coil. Double Coil for one selection must be changed with double coils. This is a single coil and can be changed in a single coil chip shelf. You can't use this coil on a candy shelf, drink shelf or a double coil shelf. It only fits on a chip shelf. If you're not sure send us some photos of your machine and we can confirm before you buy.