Zugfeder - 2,5 mm Drahtdurchmesser, 18 mm Außendurchmesser, 100 mm freie Länge Federstahl
Extension Spring - 2.5mm Wire Dia, 18mm OD, 100mm Free Length Spring Steel Small Dual Hook Tension Spring. Dry to the touch oil finish for added corrosion resistance.Heat tempered spring steel. Pin type: Spring.