Various gauges of A1 Kanthal wire from Koiler. 

KOILER Premium  Kanthal A1 is a super-clean high performance FeCrAl wire known to increase in resistance when heated with the ability to withstand continuous operation temperatures up to 1400°C with an approximate melting point of 1500°C.

Sold in 100ft spools.

20g & 22g & Ribbon wire sold in 50ft spools.