Model “GQM” Casing Scraper can be used with Model “GGQH/QC” Tool together. Up-down brush can wash and clean the in wall of scraped casing.
The casing wall can be cleaned up again after scraping (GGQH).
The down brush can used mainly in shallow hole; when reach to the deep hole, the down brush will be worn, and the up brush can extend out automatically for operation.
