Fowler 52-472-105-0 Small Hole Gages - Blind Bore Style

Fowler Small Hole Gage offer those in the metalworking industry a  tool for gaging deep andshallow holes, slots, etc. that are difficult to measure.Features:

• Blind Bore Style
• Knurled knob at the end of handle is used for size adjustment
• Hole size is obtained by measuring over the contact points with a micrometer
• The gaging surface is a full-round with a fat bottom. This permits use in the smallest of shallow holes, slots and grooves, etc.
• Gaging surface is fully hardened to ensure long tool life
• Extra long for gaging deep and shallow holes, slots and similar work
• The complete set of four gages covers a range of 0.125"- 0.500"