Unger TR150 6" Ergotec Glass Scraper Replacement Blade (Tube of 25)
Unique locking system eliminates blades from sliding out while working.  Uses standard no. 9 (1-1/2") Razor blades (not included). For TX100, TM100, EG100 and EG150. 6" Replacement blades. Trim 10.Tube of 25 Blades