Internal spring caliper for measuring the inside diameter of objects.
Legs pivot on roller and are tensioned with a bow spring. Adjustment is made using a quick-adjust split nut. Leg length: 150mm (6 inch); Overall length 175mm (7 inch).
The Rotur brand has for many years been known to woodturners worldwide, associated with well designed top quality woodturning tools and accessories. Planet Plus Ltd are continuing to manufacture this range to the highest standard, ensuring the woodturner accurate workmanship.