The Bailey 1771 Lockfast Drop Scraper, 100mm/4in, is perfectly made to glide over small obstructions and it drops into a vertical scraping position to allow offending material to be dragged back towards the operator, to make to job much tidier.The Bailey 1771 Lockfast Drop Scraper, 100mm/4in, is perfectly made to glide over small obstructions and it drops into a vertical scraping position to allow offending material to be dragged back towards the operator, to make to job much tidier.  Use with Lockfast Drain Rods. Specification: Size: 100mm (4 in).Additional Information:Rod Type: Drop ScraperSize (mm): 100Size (in): 4