Inserts-BSF-1-4-26-TPI-10-Inserts-Recoil-20043-p-Recoil-inserts-are-the-quick-&-easy-way-to-repair-damaged-threads-or-creating-stronger-original-threads-in-alloys-&-composite-materials-in-original-equipment-manufacture-br-Made-from-corrosion-resistant-stainless-steel-they-create-stronger-threads-in-most-materials-&-simplifiy-changeover-from-unified-to-metric-or-vice-versa-br-They-reduce-thread-wear-&-are-interchangeable-with-other-brands-of-inserts-or-tooling-p-p-Size-