- Calculate Rockwell Hardness quickly and accurately
- Range: 15 to 65 Rockwell on the C scale
- Features a steel ball of precise weight and shape which is dropped from an exact height to yield an accurate Rc reading
- Check overheated or repaired crankshaft journals to confirm correct hardness
- Can also be used on flywheels
- Weighs just 4 ounces
- 9-1/4″ long
- Includes protective case and instructions
View or Download The Product Instructions
