PENCIL HARDNESS TESTER (U.K)
MODEL: ELCOMETER,H501-1 ÃøÁ¤ ¾Ð·Â : 7.5N
PENCILS: 6B TO 6H(14EA)
ÃøÁ¤±âÁØ: ASTM, ECCA, NEN, SIS, SNV STANDARD
Âü°í>1kgf=9.8N,7.5N¡Ö0.765Kgf