Hardness Tester, Scales A, Measuring Range 10 to 90HA, Resolution 0.1 HA, Indenter Ball, Work Surface Width (In.) 0.01 in, Max. Workpiece Height (In.) 6 13/32 in, Digital Display Output, Features Measure Hardness of Rubber, Elastomers, Natural Rubber, Neoprene, Polyester, Resin, Leather and PVC, Pocket Sized with Integrated Probe, Maximum and Average Functions, Zero Adjustment Button, Low Battery Indicator, Auto Shut-Off, Includes (2) Batteries, Hard Carrying Case, Test Block, Wrist Strap