JBF National crafts this model of adjustable handle using the highest quality zinc die cast ball style handle, which comes coated in the hardiest of black powder finishes, and features premium black oxide coated steel components. Chrome finish available with certain sizes. This adjustable handle (also known as a clamping lever) also features a significantly reduced screw cavity, therefore debris collection is practically non-existent, making it ideal for various industrial and non-industrial applications. Inch and Metric versions available.