10 pcs Contact Tips .023 fit Lincoln Weld Pak 100HD WeldPak 100 HD 10965 Welder Attention: Due to the existence of multiple versions of Lincoln's Weld Pak 100HD welder, please check and verify that your welder's code number is 10965 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.