Extremely cheap, will end in 2-3 days. First come, first served. Replacement blades for Narby scrapers. Product name: Narby Replacement Blades, Three-Blade Type (for Heat-Reflective Glass and Tempered Glass) Application: These are special blades for removing dirt adhering to heat-reflective glass (such as Hishicross) and tempered glass without causing scratches. Features: Used in professional cleaning sites, featuring a safe and easy-to-use design.