Clinometer Silva Model 131 Boat Clinometer
Popular clinometer for sailing boats and powerboats.
With two scales, one 35 degree ( at 5 degree intervals) , and a fine tuning scale ( at degree intervals) 5° . The 131 model is used on sailing boats for checking the angle of heel and on powerboats for the power trim check.
Made in Sweden.
Self adhesive fixing or can be fixed through corner holes
Size 100mm x 80mm