Precise Small Hole Gage Set Half Ball Range .125″-.500″

• 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 hardend.
• Satin chrome finish.
• Extra long for gaging deep holes and slots.
• Set is furnished in fitted case.