SC3A Series CLECO Triple Scaler . Cleco SC3A Series Triple Scaler is designed for maximum material removal for any type of job. The Cleco SC3A Series Triple Scaler is a piston type percussion tool. Cleco SC3A Series Triple Scaler is a heavy duty tool for rugged applications. 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. Bore: 0.88” Stroke: 0.81” Type Housing: Aluminum Blows Per Minute: 5,200 Weight: 7.9lbs / 3.58kg Overall Length: 13.3” / 338mm Air Inlet Size: 3/8”