Norma 19-21MM Span GBS Heavy Duty Clamp W2 NOR-05917182020

19mm Minimum Diameter x 21mm Maximum Diameter, Heavy Duty, GBS M, Clamp, Steel Band, Steel Screw, Norma Up to 70% higher band tension than lending competitor. Wide clamping range 17mm to 252mm. Enviromentally friendly - Chrome VI free. Mechanically locked so not spot weld weakness. Rounded band edges for hose protection. DIN 3017 Accredited.