Introducing SINOCOREDRILL's Wireline Core Drilling Reaming Shell, engineered for durability and precision in abrasive formations. Built to last, our shells feature a spiral design for efficient reaming and offer versatility across BQ, NQ, HQ, and PQ models. Certified ISO9001 and CE, these shells ensure accurate drilling results in various applications. Experience the difference with our reliable performance—visit our website for more information!