9144-INSB | Insert “B” 9144, furos de comparação no padrão imperial

This insert is designed for use with the 9144 Field Metrology Well.

• Insert “B” 9144, Imperial Comparison Holes
• Holes: 3/8 in (1); ¼ in (2); 3/16 in (2); 1/8 in (1)