Features 1、Portable indentation hardness tester. Single hand operation, no operating experience required, easy measurement with comfortable grip. 2、The product is made of iron, the indenter is detachable, to maintain the measurement accuracy, the reading is clear, it is durable and has a long service life. 3、The hardness reading is instantly indicated on the dial, no waiting pre‑loading or separate measurements, can be used in any position and in any space. 4、Very easy to use, you just contact on one side of the sample test, no need to move or support sample, suitable for large and thick artifacts and assembly parts. 5、The hardness tester is a convenient tool for testing the hardness of aluminum, aluminum alloy, copper, brass and other materials including plastics and fiberglass. Specification Item Type: Hardness Tester Model: 934-1 Material: Iron Application: Metal hardness measurement Indenter: 26° truncated cone Indenter End Face Diameter: Approx. 0.517mm / 0.02in Range: 0-100HBa, the effective measurement range is equivalent to 25-135HBW Resolution: 0.5HBa Indication Error: 81-88HBa ±1HBa 42-48HBa ±2HBa Repeatability Error: 81-88HBa ±1.5HBa 42-48HBa ±2.5HBa Package List 1 x Hardness Tester 4 x Hardness Block 1 x Supporting Foot 2 x Spare Indenter 1 x Correction Wrench 1 x Carrying Case 1 x Manual