Microsphere gauge series

Fixed block size: 3/4"L x 3/4"W x 3/4"H

Use 8/32 thread to fix 1/16", 1/8" or 3/16" rigid alloy steel ball,

5/16" rod diameter

Length of measuring rod: 12"

Ball gauge series

Fixed block size:

Big ball gauge series

Fixed block size: 2 3/8"L x 1 1/8"W x 1"H

Fixed with 1/4" x 40 thread 5/8", 3/4" or 1" rigid alloy steel ball,

1/2" rod diameter

Length of measuring rod: 12"