Pencil Hardness Scratch Kit

Provides a rapid, economical, and reliable means of evaluating film hardness of paints and coatings in accordance with ASTM D3363 and ISO 15184. Includes set of 20 pencils (p/n 133456), pencil hardness holder and 400 grit sandpaper. Use with the Taber Linear Abraser or Reciprocating Abraser.