Lighter weight yet stronger than brass. Channel, and rubber blade. Blade Material: Rubber; Blade Width: 12"; Blade Color: Black; For Use With: Unger® Pro Stainless Steel Handle; Unger® ErgoTec® Handle; Unger® ErgoTec® XL Handle; Unger® ErgoTec® SwivelLoc Handle 0 Degree; Unger® ErgoTec® SwivelLoc Handle 30 Degree.