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 3.