BYK Wolff-Wilborn Pencil Hardness 연필 경도 시험기

Features

The Wolff-Wilborn Pencil Hardness test offers a higher level of precision for a pencil scratch tester.

High level of precision for a pencil scratch test

Method compliant with ISO, ASTM, DIN and BS standards

Including

Pencil hardness tester

Complete set of 20 pencils from 9B to 9H (5801)

Pencil sharpener

Abrasive 400 grit paper

Manual

Carrying case

Manual