K-T's direct replacement acetylene and fuel gas tips are designed specifically for use with original equipment manufacturer's apparatus. K-T cutting tips are made from high quality copper and brass bar stock instead of thin copper or brass tubing. All cutting tips are performance tested prior to shipment. K-T's design, workmanship and quality control assure the user of products that will perform better and last longer on the job.The following tips will fit K-T's Excalibur style medium duty torch kits, and Harris® Expert®. HARRIS® Style 6290 Oxy-Acetylene Cutting Tip Size 1