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Selection
Extension Springs are organized in order of increasing diameter and wire size. Note that in each category the spring rate decreases as the length increases.
Unit of Measure

Specifications

Type

 Extension

Material

 Stainless Steel

Outside Diameter

 1.125

Wire Diameter

 0.105

Free Length

 6.000

Max. Load

 36.6

Max. Extension

 13.86

Initial Tension

 3.2

Spring Rate

 4.30

Max. Load (SS)

 31.500

Max. Extension (SS)

 13.76

Initial Tension (SS)

 2.8

Spring Rate (SS)

 3.7