Mahr 4487761DKS Self-Centering Inside Measuring Pistol Set (844 AS, 12 - 20mm/.4725 - .775”)

Measuring range: 12 - 20mm/.4725 - .775”

Resolution: 0.0005 / .00002”

Standard: Factory standard

Number of measuring heads 44Ak: 2

Indicating instrument (included in package): MarCator 1086 R

Setting rings: 16mm

With calibration certificate from DAkkS

Package contains: instruction manual, setting rings, key for replacing measuring heads  (from 30 mm), case