The test can be carried out by using weights 1 kg, 1,5 kg or 2 kg.
The device is supplied with two supports for steel wool: base 6 and base 8.
The number of abrasion passages on the lens is set on the device and then carried out automatically.
Provided with safety system that stops the movement when the frontal cover is opened.
Different weights and supports for steel wool can be supplied on request.