RTJ  Ring Groove Digital Calipers/V型槽径数显卡尺

Features :
Used to measure the ring groove in valve flange and pipe flange.
Can measure the outside diameter of the RTJ (Ring Type Joint ) ring groove.
With presetting function, easy fo origin-setting.
Available with conical and accurate cutting points.
mm/inch conversion
Zero-setting at any position.
With data output
The angle of jaws: 23o