10 pcs Tapered Contact Tips .025 fit Lincoln Power MIG 256 PowerMIG 11781 Welder Attention: Due to the existence of multiple versions of Lincoln's Power MIG 256 welder, please check and verify that your welder's code number is 11781 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.