Encased mechanical parts Automatic brake Stainless steel ratchet spring Straight-cut gears Highly rugged design, thanks to the exceptional rigidity of the frame Automatic brake made of composite materials. Ergonomic and removable handle with rotating grip, This arm can be adjusted to minimise effort according to the loads, Captive adjusting knob. Position: flat or wall-mounted Industry Shows, sceneries Water treatment, water retentions Sports rooms Hanging chandeliers. Technical Properties Absolute safety by worm gear reduction +automatic brake. Encased mechanical parts Automatic brake Stainless steel ratchet spring. Straight-cut gears. Highly rugged design, thanks to the exceptional rigidity of the frame Ergonomic and removable crank handle with rotating grip, This crank arm can be adjusted to minimise effort according to the loads Captive adjusting knob.