제품설명
Lens Hardness Tester
Testing by steel wool or pencil
제품사양
Usage :
The use steel wool (#0000) or pencil carries on the lens hardness destruction test. If you want to test by
the pencil, look at the below picture. Please loosen the screw to take off the steel wool, and then tighten
the pencil on the pencil position.
Dimensions : 25 × 30 × 37 cm (L × W × H)
Weight : 16 kg
조회 : 927 