... . Heavy-duty, long wearing design. SpecificationsFreezer Spring Hinge 1.Material: ABS, Steel 2.various design 3.custom ... , 550L7. Size: per your request8. Diameter of spring: 2.8 - 5.0mm9. Cycles of spring: 8, 8.5, 9, 9.510. More designs are available ... hinge,spring hinge,steel sping hinge.We can offer many ...