Type A: applicable to general rubber, synthetic rubber, vulcanized rubber, soft rubber, leather, wax, etc. Type C: applicable to the hardness test of rubber microporous material. Type D: applicable to hard rubber, hard resin, acrylic, glass, cushiony plastic cement, printing plates, fiber, etc. NOTE:The parcel will be sent without battery ,the battery type is 3V CR2032 environmental Lithium battery., Manufacturer: CFWWSAQ