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Dish Spring for Heavy Duty Chart shows a selection of sizes available. For full specifications on the DISH SPRING FOR HEAVY DUTY, click the download button.  Size No.    Spring Dimensions d D t h    DB -  4H 4.2 8 0.4 0.2    DB -  5H 5.2 10 0.5 0.25    DB -  6H 6.2 12.5 0.7 0.3    DB -  7H 7.2 14 0.8 0.3    DB -  8H 8.2 16 0.9 0.35    DB -  9H 9.2 18 1 0.4    DB - 10H 10.2 20 0.45    DB - 11H 11.2 22.5 1.2 0.5    DB - 12H 12.2 25 1.5 0.55    DB - 14H 14.2 28 0.65    DB - 16H 16.3 31.5 1.75 0.7    DB - 18H 18.3 35.5 2 0.8    DB - 20H 20.4 40 0.9    DB - 22H 22.4 45 2.5 1    DB - 25H 25.4 50 3 1.1    DB - 28H 28.5 56 1.3    DB - 30H 31 63 3.5 1.4    DB - 35H 36 71 4 1.6    DB - 40H 41 80 5 1.7    DB - 45H 46 91 2    DB - 50H 51 100 6 2.2