For digital shore durometers (code ISH-DSA and ISH-DSD)
Can perform repeatable hardness measurement due to fewer possibilities of human error or measurement variations
Special structure for stable loading
Weight block A is for ISH-DSA, weight block D is for ISH-DSD

Insize 6143, DEPTH STOP FOR CALIPERS, 6928640371301
Dynabrade 57923 4" W x 4-1/2" L Dynabug "Model T" Orbital Sander, Non-Vacuum, 20,000 RPM, 3/32" Orbit, Hook-Face 