B1-C-LT CLECO Chisel Scaler, B Series . Cleco B Series Lever Start Chisel Scaler features a built-in chisel retainer. Also featured on the Cleco B Series Lever Start Chisel Scaler is push-pull start for ignition, is a chisel type scaler and designed for the toughest jobs. Cleco percussion tools offer durable options for a wide variety of industries. These percussion tools are made from the finest materials available, and they are manufactured to last. Choose between piston, chisel and needle type percussion tools. Bore: 1” Abrasive Capacity: 1/2” Square Stock Stroke: 1.1” Type Housing: Steel Blows Per Minute: 4,600 Weight: 4.3lbs / 1.95kg Overall Length: 10.3” / 262mm Air Inlet Size: 1/4”