Sealey-DBG5010-Dial-Bore-Gauge-50-160mm-Sealey-DBG5010-p-Precision-mechanism-with-dial-&-locking-rotating-bezel-offering-an-accurate-method-of-measuring-a-bore-or-detecting-a-taper-or-ovality-Model-No-DBG508-will-indicate-the-deviation-from-set-size-by-up-to-10mm-Model-No-s-DBG507-DBG509-&-DBG5011-up-to-5mm-&-Model-No-DGB5010-up-to-3mm-with-an-accuracy-of-0-01mm-Probe-body-dial-indicator-anvils-&-spacer-rings-are-also-included-p-Sealey-DBG5010-Dial-Bore-Gauge-50-160mm