Beslands 6 Pc Telescoping Gage Set, 5/16" - 6" Range, T-Bore Hole Gauges w/Pouch, High Precision Telescopic Bore Gauge T-Gage Set (5/16" to 6")

Key features

• 【Range】5/16" - 6" (8mm to 150mm), Stainless Steel Construction.
• 【Using】Gage expands in a hole to be measured , locks in place and then removed to determine final hole size using a micrometer or calipers.
• 【Package】Includes 6 sets, with vinyl case
• 【Fine Workmanship】The contact point is hardened tool steel and is fine ground within the final measuring radius
• 【Smooth and constant spring tension】 The spring is equipped with a knurled locking knob and a knurled fixing area.