SPI Small Hole Gage: Flat Bottom Type, 0.300 - 0.400" - 30-428-7
- Full radius measuring faces with flat bottom, ideal for measuring shallow holes, slots, grooves
- Size adjustment by knurled knob
- Final size is obtained by measuring over the contact points with a micrometer
- Gaging surface is fully hardened
- Satin chrome finish
- Extra long for gaging deep holes and slots
Small Hole Gage: Flat Bottom Type