JINGKELIAN DHQ-II Electric Pencil Hardness Tester Paint film Pencil hardness testing
SE
6B-6H500g*1、250g*2750g*1500/750/1000g
Pencil Hardness Tester, load weight can be stacked, equilibrating weight adjustable, using high-precision motor, precision screw and imported bearings as the transmission mechanism, accurate operation.