Miller style Contact Tip 000-068 (25 pk) .035 Harris This item fits the following

This item fits the following Miller guns and some other Hobart guns

The 135-424 is for

Single flint that provides a spark to ignite a torch for cutting or welding

The acetylene heating holes differ between the sizes

M6 Cutting Tips for Acetylene

Miller style Contact Tip 000-068 (25 pk) .035 Harris This item fits the following(25) 000 068 mig welding contact tips for mig welding with . 035 welding wire. This item fits the following Miller guns and some other Hobart guns GA 17C (Sidekick and Cricket) GA 20C (Millermatic 35, 200, 250) GA 21C CM (Millermatic 35, 200, 250) M15, M25 25M, M40 40AL (Millermatic 250, 250X, 300 and Vintage)