Material

Rotor, stator and knob in nickel-plated zinc alloy.

Nut

M19x1 in brass.

Toothed washer

Zinc-plated steel.

Packing ring

NBR rubber.

Closing lever

Zinc-plated steel, thickness 2.5 mm.

Screw

M5x10 zinc-plated steel.

Flat and elastic washers

Zinc-plated steel.

Internal spring

Stainless steel.

Rotation

90°.