Calipers are used for measuring surfboard thicknesses.

Assembled by Hand and designed by a shaper to be used by Shapers in their shaping bay .

These Sliding calipers are made with durable 12mm Hardwood Ply finished with soft rounded edges. Adjust the tightness of the Calipers arms with ease of just using your fingers to tightening the bolt. 

Measurements are in MM and Inches to suit every style of board you do. A great tool for all.