Mitutoyo 139-174 100-900mm Tubular I/S Micrometer
Each set consists of inside micrometer head and a series of extension pipes of different length, which are hardened, ground, micro-lapped and heat insulated. Satin chrome finished head with positive locking clamp and carbide measuring faces.
Accuracy:
Micrometer head stroke: 25mm.
Graduation: 0.01mm.
Instrument error: (3+qty of rod + L/50)m.
L = Maximum measuring length