1 spool ER71T-GS .030" 2lb Flux Cored welding wire 1 x Fema .030" ER71T-GS Flux cored welding wire High Quality thin general purpose shielded wire Excellent for 115v and 230v portable Gasless and Dual Purpose wire feed welders Standard mini 4" spool with 5/8" Spindle hole opening. No need to use a shielding gas whilst still capable of welding thin material.