ROK 3mm Electronic Digital Spline Micrometer   for measurement of recesses, grooves, splines, slots, keyways etc. spline micrometer also suited for measuring small parts in precision work. carbide tipped measuring faces.

Features:

Carbide-tipped measuring faces

Small anvil and spindle diameter for measuring splines, slots and keyways
Ratchet ensures invariable measurement and ac?curate repeatable reading .

Range: 0-25mm (1 inch)

Resolution: 0.001mm (0.00004 inch)

Accuracy: 0.002mm (0.00004 inch)

Working Temp: 0 - 40°C

Storage Temp: -20 - 70°C

LCD Display: 14mm character height

Power Supply: SR44 (1.5V)