| Clamping element and lever material | Polyamide-based (PA) technopolymer. Resistant to organic and inorganic chemical substances such as oils, greases, fuels and solvents. | 
                            
            | Clamping lever colour | Black with satin finish. Other colours for suitable quantities. | 
                            
            | Bush | Brass. Special inserts on design and/or in nickel-plated brass on request, for suitable quantities. | 
                            
            | Clamping element colour | Black. | 
                            
            | Return spring | Burnished steel. | 
                            
            | Stop screw | Galvanized steel, it can be used for the assembly of the lever with nut-runner. |