Premium B Scale Rockwell Hardness Test Blocks - Certified Metal Hardness Testing Kit for Industrial Quality Control | Perfect for Machine Shops, Metallurgy Labs & Manufacturing Plants

Available in 1/16 Ball 100Kg (Square) HRBs 35 to 95.

Manufactured from the highest quality steel with a special heat treat and cold treat process which insures maximum consistency and repeatability.
 
Square Blocks - 2" x 2"
 
Accuracy exceeds ASTM E10, E92 and E384 Standards.

1/16 Ball 100Kg (Square)