1) Heavy Gauge 0.25ohm Kanthal Wire Quartz Rod Coil 2) Clapton Coil 0.65ohm Kanthal Wire Quartz Rod Coil 3) Nickel 0.35ohm Wire Quartz Rod Coil 4) Miracle Type A Coil 5) Stainless Steel Wire Quartz Rod Coil 6) Heavy Gauge Kanthal Wire Black Ceramic Rod Coil 7) Titanium Wire Quartz Rod Coil 8) Miracle Type B Coil 9) Titanium Wire Dual Quartz Rod Coil 10) Stainless Steel Wire Black Ceramic Rod Coil