Glass scraper has reversible carbon steel blade with 2 razor edges making it ideal for cleaning large surfaces and scraping off paint, stickers, etc. Lightweight ergonomic design with protective blade cap safely stores blade. Can be used as a handheld scraper, or locked into any Unger® poles. Simple blade change.use with Unger® Glass Replacement Blades (sold separately). Scrapers Type : Telescoping Blade Width [Nom] : 6 in Blade Material : Carbon Steel Blade Type : Reversible, Double Edge Quantity [Nom] : 10 per pack Includes : one scraper. Spare blades TR150 (sold separately.