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) GX146 110 24 NC31 122-134 GX245 200 57 4 1/2”REG 216-231