This digital shore durometer is is a kind of sophisticated measurement tool for measuring the Suitable for Hard Hardness Rubber and Plastics such as rubber, plastic, leather, multi-grease, wax, Thermal Plastic, Flooring, Bowling balll, etc. And this durometer with type A or C or D 3 kinds of model, hardness is different, D>A>C. You can choose the type of hardness.Specific reference pictures. Features: Versatile Use - - This digital shore durometer with power switch, convenient change the unit of measurement at any position, reset at any position very easy operation. High Performance - - Wide accurate measurement range from 0 to 100 HD With clear LCD display for easy to read. Delivers ultra accurate reading with no guessing error. Compact Size - - Small in the dimension, lightweigt and can easily be transported. Compact pocket size to take along, and convenient for one hand use. Premium Quality - - This digital shore durometer shell made of high quality ABS material and carbon steel component, which is durable and stable, practical and strong. Wide Application - - It is widely used to measure the hardness of various soft materials such as rubber, silica gel, leather, multi-grease, tire and plastic. Wide Application - - It is widely used to measure the hardness of various soft materials such as foame sponge, sponge, etc. Wide Application - - It is widely used to measure the hardness of various hard hardness rubber and plastics such as Thermo Plastics, Flooring, and Bowling balls. Specifications: Material: ABS and Carbon Steel Type: A or C or D (optional) LCD Display: 4 digits, 40x18mm (1.57 x 0.71 inch) Probe Diameter: A: 0.79mm C: 2.5mm D: 0.1mm Measuring Range or Graduation: 0-100 HD Indentor Running: 0-2.5mm Indentor press on telos: A, C type 0.55-8.06N, D type 0-44.5N Resolution: 0.5 HD Power Supply: 1.5V-LR44x1 button cell battery (not include) Item Size: 8.4x5.7x2.6cm or 3.3x2.2x1.0in Package Weight: 272g or 9.6oz Package Size: 13.8x8.5x4cm or 5.4x3.3x1.6in Package List: 1 x Digital Durometer(battery not include) 1 x Plastic Carry Box 1 x Manual