11.1 mm and 7.9 mm diameter tips for hardness testing range. Mainly to measure the hardness of fruits such as the apple, pear, strawberry, grape, etc. Lightweight, convenient to carry and easy operation, especially suitable to test at the scene. Ideal for the scientific research department of fruit tree, fruit company, the fruit tree farm, units such as the universities and colleges etc. Can also assemble and use in forming a complete set in the special purpose test board, improve the precision while testing.Color: Fruit Hardness Tester Manufacturer: AMTAST Model Number: GY-3 Part Number: GY-3SpecificationsTip diameter:11.1 mm Tip for range 0.5-12 kg/cm²; 7.9 mm Tip for range 1-24 kg/cm² Resolution:11.1 mm Tip: 0.1;7.9 mm Tip: 0.2 Accuracy:+-2%Tip Depth:10 mmDimension:15 x 5.5 x 3 cmWeight:0.43 kg