The E-Z C-Caliper Pro is a new product for 2018! This caliper has been designed with two oblong holes for one handed operation, affording the shaper the opportunity to get a measurement instantly. This tool is made out of 1/2″ Baltic Birch Ply resulting in a very stiff tool with incredible action. Used to measure the thickness of blanks and finished surfboards. The E-Z C-Caliper Pro is 14.5″ deep, measures up to 29″ wide board and will measure unlimited thickness.