Airless nozzle: The gas -free welding nozzle made of heat - ABS material can reduce arc thermal loss, extend the service life, and provide higher welding performance and experience. Bonor Gas diffuser: This gas diffuser has excellent electrical characteristics and is very suitable for light to medium standard welding applications. Contact Tips: Two copper contacts of different sizes can meet your needs.The texture is strong and high -temperature.Good conductive performance can play a good role in welding items. Compatibility: Welding core welding is compatible with 100L welding machine and WelD-PAK 100HD 125HD 140HD 180HD, SP-170, MIG135/175, etc.Please check the appropriate model in the product description below and make sure you choose the right welding kit for your machine. for for SP-85 SP-100 SP-100-I SP-100T MIG Welder for SP-125 Plus SP-130T MIG Welder for SP-135 Plus SP-135T MIG Welder for SP-140-I SP-140T SP-155 MIG Welder for SP-170 SP-170-I SP-170T MIG Welder for SP-180T MIG Welder for Handymig 170i MIG Welder for Weldmark 135 Plus MIG for Weld-Pak 100HD 125HD 140HD Mig Welder for Weld-Pak 100 125 155 MIG Welder for Weld-Pak 175HD 180HD MIG Welder for Weld-Pak 3200HD 5000HD MIG Welder 100 155 MIG Welder -Core 100 125 MIG Welder 135 140 175 MIG Welder 180 MIG Welder Colour:As Shown Material:copper Package Contents: 2x flux core airless nozzles (KP1939-1) 2x gas diffusers 24x contacts (2 sizes: 0.030 inches /0.8 mm and 0.035 inches/0.9 mm) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.