Fowler 53-686-011-0 Custom Size Master Setting Ring, 0.1" Size *NEW - OVERSTOCK*
Sized: .1" ( .09994")
Geometric Form Tolerance Ovality/Taper Inch: 0.000012″
Used for accurate setting of internal measuring instruments.
Made from oil-hardened, non-shrinking gage steel, hardened and tempered to Rockwell 62C
Subzero treated at minus 80°C for dimensional stability.
Actual size etched on each master ring
- With plastic case
- NEW Overstock Item