Casing Scraper is a necessary accessory tool in completion, well logging and downhole operation. It is applied to clean remaining impurity on the downhole casing wall to hamper job operation.Type O.D.of identity(mm) I.D.(mm) Connection Scraping range(mm) Type O.D.ofidentity(mm) I.D.(mm) Connection Scraping range(mm) GX127 103 24 NC26 106-116 GX194 136 30 3 1/2”REG 165-180