Description
Height:6” Weight:15lbs
3” Diameter, 6” Height Cylindrical Squares in Fitted Box, #EG02-0263
Use in surface plates as 90° reference angle
Used for checking squares, height gauges and a lot of instrument
The squares are hardened and the ends are lapped to 90 angular accuracy with the cylinders as follows: 6” square to ±0.0001” and 12” square to ±0.00015”
Dia.3”
