Reversible Sharp-Edged carbon steel blades to fit Unger Window Cleaning scrapers Pack of 25 4"/10cm or 6"/15cm Carbon Steel Blades Includes Protective Blade Container Compatible with: Unger ErgoTec® 4"/10cm and 6"/15cm Glass Scrapers Unger ErgoTec® NINJA 4" and 6"/15cm Scrapers Unger ProTrim Scraper 4"/10cm Unger Trim Scraper 4"/10cm.
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