Range: 5/16" - 6" (8mm to 150mm), 6 pc set includes:
1 gage: 5/16 - 1/2" range x 4.20" overall
1 gage: 1/2 - 3/4" range x 4.40" overall
1 gage: 3/4 - 1-1/4" range x 4.40" overall
1 gage: 1-1/4 - 2...

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Product Review

Range: 5/16" - 6" (8mm to 150mm), 6 pc set includes:
1 gage: 5/16 - 1/2" range x 4.20" overall
1 gage: 1/2 - 3/4" range x 4.40" overall
1 gage: 3/4 - 1-1/4" range x 4.40" overall
1 gage: 1-1/4 - 2-1/8" range x 5.85" overall
1 gage: 2-1/8 - 3-1/2" range x 5.85" overall
1 gage: 3-1/2 - 6" range x 5.85" overall
Spring loaded with locking knurled knob
Stainless Steel Construction
Gage expands in a hole to be measured (locks in place and then removed to determine final hole size using a micrometer or calipers).
Get exact sizes of holes, slots, bores, or recesses
Rigid handle and double action design (self-centering) for quick checking of inside measurements
Constant spring tension for uniform feel
Contact points are hardened tool steel and precision ground in the end measuring radius
FREE Vinyl pouch included

  • [MATERIAL]: It is made of carbon steel with chrome plating on the surface
  • [PACKAGE INCLUDE]: Range: 5/16" - 6" (8mm to 150mm),6PCS in total(1 gage: 5/16 - 1/2" range x 4.20" overall; 1 gage: 1/2 - 3/4" range x 4.40" overall; 1 gage: 3/4 - 1-1/4" range x 4.40" overall; 1 gage: 1-1/4 - 2-1/8" range x 5.85" overall; 1 gage: 2-1/8 - 3-1/2" range x 5.85" overall; 1 gage: 3-1/2 - 6" range x 5.85" overall); Ethylene plastic bag packaging
  • [OPERATION METHOD]: Use the gauge to expand in the hole to be measured, lock it in place, and then take it down, and measure with micrometer or caliper to determine the final hole size
  • [HIGH PERFORMANCE]: The rigid handle and double acting design (automatic centering) can quickly check the internal dimension. The spring tension is constant and the hand feel is even.
  • [APPLICATION]: It is used to obtain the exact size of holes and slots, which is suitable for factories, schools, offices and other places

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