There are gripping indentations on the rear sides.
For all handwheels, the hub is machined, rim is turned and mirror-finished on all sides. The unmachined raw surfaces have been blasted clean. Together with their mirror-polished rim, these handwheels therefore present a finish which generally does not require additional lacquering.
Material
Axle part
Steel, zinc-plated by galvanization
Handwheel
Aluminium permanent-mould casting
Cylindrical handle EH 24530
DIN 7708 - thermosetting plastic (PF 31), black similar to RAL 9005