Durometer Hardness Test Block Sets

Confirm your durometer hardness tester is taking accurate readings. Use your tester on these blocks to make sure the durometer readings match the block. The blocks come with a calibration certificate traceable to NIST to ensure their accuracy.
For Durometer Hardness Scale | Lg. | Wd. | Dp. | Includes | Container Type | Each | |
D | 2" | 2" | 1/4" | Three 2" x 2" Test Blocks (Durometer 20D-80D) | Carrying Case | 0000000 | 0000000 |