... has three models of Type A, Type C and Type D, and each model is subdivided into two types of single ... to the hardness test of rubber microporous material.Type D: applicable to hard rubber, hard resin, acrylic, glass, cushiony plastic cement, printing plates ... Φ0.79 mmLX-C-20~100HC10~HCSR 2.5 mmLX-D-20~100HD20~90 HDSR 0.1 mmDetailed pictures:Inside packing ...