25 pcs Tapered Contact Tips .030 fit Lincoln Power MIG 180C PowerMig 11820 Welder Attention: Due to the existence of multiple versions of Lincoln's Power MIG 180C welder, please check and verify that your welder's code number is 11820 before making a purchase. The code number for Lincoln welders can be found on the number plate of the welder and is a 5-digit code.