The Unger RB10C carbon steel replacement blade for 4" double-edge scraper is a 4"/10 cm, carbon steel replacement blade for Unger scraper models STMAX, LH12C, SH00C, and SH25C (sold separately) for light-duty applications. This reversible blade has two razor sharp edges for twice the use of a single blade. Comes in dispenser with 10 replacement blades.

Unger manufactures retail cleaning and sanitary supply equipment. The company, founded in 1964, is headquartered in Bridgeport, CT.