Snack Attack Vending LLC is offering DUAL Chip Spiral Set / Coils "12" Product Ct. for AP models 112, 113 & LCM 2, 3, 4 snack vending machines. The total length of spiral measures 24" and diameter is 2.5". The depth between coils is 1 5/8". This coil set vends bagged chips very well! The white spiral hubs are included. This new dual spiral set installs in seconds.