SPI Small Hole Gage: Full Ball Type, 0.400 – 0.500 – 31-444-3

SPI Small Hole Gage: Full Ball Type, 0.400 - 0.500" - 31-444-3 Small Hole Gages with full ball for very accurate measurements Easy to adjust with full spherical, hard, satin-chrome plated measuring faces See all SPI Small Hole Gages: Full Ball Type