Lab Certified Test Block Kit (7 Test Blocks), Shore A Scale
The Phase II Plus PHT950-25C is a Shore A durometer lab-certified test block kit that consists of seven color-coded shore test blocks that range from Shore Ha 30s to Shore Ha 90s. The test blocks are designed for periodic verification of durometer calibration accuracy. The PHT950-25C test block kit is for use with all Shore A durometers. One durometer lab certificate is included for each test block. Shore Test Blocks are not Traceable to NIST or any other standard organization.