1. Heavy curved metal frames are zinc plated ; 
2. Corrosion resistant and feature a built-in scraper to remove stubborn stains ; 
3. Durable blades are secured with rust resistant screws ; 
4. All floor swueegees use straight or tapered handles , depending on choice of lengths ; 
5. Fits industrial , professional and commercial use ; 
6. Replacement rubber blades sold separately ; 
7. Curved rubber blade , prevent the water running away .