Outside Spring Caliper 75mm (3in) - Faithfull ACS0111, The Faithfull External Spring Calipers have polished, natural steel finish legs, are made of flat stock and are carefully balanced, with treated points.
A strong but flexible bow spring and centrally located adjustment screw give a smooth and precise action.
Size 100mm (4 in) Faithfull ACS0111 Outside Spring Caliper 100mm (4in)