Mitutoyo 137-210 mechanical extension rod type tubular inside micrometre offers the ability to measure a wide range of inside dimensions with exact precision. It includes a set of solid extension rods to measure a diversified range of inner dimensions of cylinders, rings, and parallel surfaces with high accuracy. Slow head travel provides fine measurement position, while a locking clamp holds measurements in place for easier reading. The extension rods have knurled collars for easy, secure installation and removal.

SPECIFICATIONS

Measuring Range: 50-1500mm
Measuring Span: 13mm
Graduation: 0.01mm
Spindle Feed Error: 3m
Measuring Method: 2-point
Extension Rods: 13mm, 25mm, 50mm (2 Pcs), 100mm, 200mm (3 Pcs), 300mm (2 Pcs)