保证***美国TABER S-34锌板
S-34 Zinc Standardization Plates are used to evaluate the abrasion characteristics of S-42 and S-33 sandpaper strips. Each plate is 4 square, .032 zinc with ¼ center hole. (5 pcs.)
联系我时,请说是在52鲁班网看到的,谢谢!