CellTreat Cell Scrapers are designed for harvesting cells from tissue culture flasks, dishes or bottles. The handle is 25cm in length and the flexible blade is 20mm in width. The blade of the scraper is available in two positions. Catalog #CT-229310 features the blade in the "Scraper" position, parallel to the handle, allowing for a windshield wiper-like scraping motion. Catalog #CT-229311 features the blade in the "Lifter" position, perpendicular to the handle, allowing for a racking-like scraping motion.  Cell scrapers are non-pyrogenic and packaged sterile (gamma irradiated) in individual paper/poly wrappers. 100/case