Price: $32.99 - $20.80
(as of Oct 22, 2025 13:03:49 UTC – Details)
Product description



Range: 5/16″ – 6″ (8mm to 150mm)
Spring with locking knurled spiral
Constant spring tension makes the hand feel even
The contact point is hardened tool steel and finely ground within the final measuring radius
Get the exact size of holes, slots, holes or grooves
Rigid handle and double-action design (self-centering), which can quickly check internal measurement results
with vinyl case
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

Squeeze the probe and place the object to be measured

Rotate once to make sure there is no tilt

After the measurement is correct tighten the locking device clockwise

Measure hole data with micrometer or caliper



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Customer Reviews
4.0 out of 5 stars 93
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4.0 out of 5 stars 51
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4.2 out of 5 stars 64
Price
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$37.04$37.04
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$13.47$13.47
Range
2″-6″ 0-1″ / 0-25mm 0-4” 0-4” 1/8″ to 1/2″
Using
inside outside outside outside inside
Package Dimensions : 8.23 x 6.18 x 0.71 inches; 1 Pounds
Date First Available : April 15, 2024
Manufacturer : Beslands
ASIN : B08MQCTTM3
Best Sellers Rank: #9,354 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #2 in Hole Gauges
Customer Reviews: 4.5 4.5 out of 5 stars 795 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
【Range】5/16″ – 6″ (8mm to 150mm), Stainless Steel Construction.
【Using】This bore gauge expands in a hole to be measured , locks in place and then removed to determine final hole size using a micrometer or calipers. It is suitable for measuring the inner diameter of holes, such as the inside of cylinders and bores of engines.
【Package】Includes 6 sets, with vinyl case
【Fine Workmanship】The contact point of this machinist tool 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.

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