Description: Metal spring for Hermle movements. .0015 (.04mm) thick 17.5mm / 8.0mm (length x width) 12.0mm / 0.04mm (hole-to-pin length & spring thickness) For Hermle Pendulums 17.5cm-66cm. 2.4mm Spring length.
Description: Metal spring for Hermle movements. .0200" (.5mm) thick 17.5mm / 8.0mm (length x width) 12.0mm / 0.04mm (hole-to-pin length & spring thickness) For Hermle Pendulums 11cm-15cm. 3.2mm Spring length.