Inside Micrometers

Pistol-grip Three-point Bore Gauges
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Features:

Single-hand operation,right-and left-hand viewing flexibility.
Self-centering 3-point for accurate measurement of internal diamters.Measurement can be taken closer to the bottom of the blind bore,and can be taken into a deep hole with an extension rod.
Highly durable because of carbide-tipped contact points.Supplied with setting rings for zero adjust.
Fixing dimension of dial indicator: Φ8mm or 3/8″(Φ9.525mm)

Specifications:
Measuring Range Order No. Resolution Accuracy
6-8mm(.275-.35″) 213-351P 0.01mm(.001″) 0.004mm
8-10mm(.35-.425″) 213-352P 0.01mm(.001″) 0.004mm
10-12mm(.425-.5″) 213-353P 0.01mm(.001″) 0.004mm
12-16mm(.5-.65″) 213-354P 0.01mm(.001″) 0.004mm
16-20mm(.65-.8″) 213-355P 0.01mm(.001″) 0.004mm
20-25mm(.8-1″) 213-356P 0.01mm(.001″) 0.004mm
25-30mm(1-1.2″) 213-357P 0.01mm(.001″) 0.004mm
30-40mm(1.2-1.6″) 213-358P 0.01mm(.001″) 0.004mm