4x4 Test Block

Get More for Less with King Tester’s Patented Alphanumeric Grid

test block 4 x 4
  • The bigger test block allows you to pay less per indent
  • Automatically log and track your Daily Verifications with the King Tester patented Alphanumeric grid
  • ISO-17025 certified test block
  • Available for all Brinell scales
  • Meets ASTM E-10 standards with a 1% tolerance
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