The guide scraper with stander length ranging from 500mm to 1000mmare build with aluminium alloy and stainless steel plate frames and polyurethane elastic scraping piece. It has very nice-looking appearance and are featured by anti-oil, anti-wearing, ani-coolants, anti-aging and auto compensation scraping piece. the right angle-and swallowtail-shaped scrapper assemblies can be formed according to the shapes of the guide.