Sliver brush springs for the Big Feet brush system.

E73 Silver .009 Big Feet Brush Spring - $1.25 per pair

E74 Silver .010 Big Feet Brush Spring- $1.25 per pair

E70 Big Feet Silver Electrical Kit - $11.00
Kit includes - Silver br. tubes and set screws, 80% copper brushes, .009 silver br. springs, silver pick-up shoes (elf-round nose) and .010 shoe springs.