British Elcometer 3086 electric pencil hardness easy to high

Measurement angle: 45 degrees

Determination of load: 0 - 1 Kg adjustable

Determination of grade: 14 grade, 6B-6H

Power supply: 220V, 50HZ

Determination of direction: front and rear can be (left, right)

Measuring speed: about 1 cm per second

Composition: Austrian 'Koh-I-Noor' cut standard hardness

Pen: 6B-6H, 14 species, each of six per box, a pen shell, the level of a gasket

Brand: United Kingdom