Comparison : Item # MCD02101-MW, 0.148 Inch (in) Outside Diameter, 0.021 Inch (in) Wire Diameter, and 0.25 Inch (in) Free Length Music Wire Compression Spring
Item # MCD02102-MW, 0.148 Inch (in) Outside Diameter, 0.021 Inch (in) Wire Diameter, and 0.313 Inch (in) Free Length Music Wire Compression Spring
Item # MCD02103-MW, 0.148 Inch (in) Outside Diameter, 0.021 Inch (in) Wire Diameter, and 0.375 Inch (in) Free Length Music Wire Compression Spring
Item # MCD02104-MW, 0.148 Inch (in) Outside Diameter, 0.021 Inch (in) Wire Diameter, and 0.438 Inch (in) Free Length Music Wire Compression Spring
Item # MCD02105-MW, 0.148 Inch (in) Outside Diameter, 0.021 Inch (in) Wire Diameter, and 0.5 Inch (in) Free Length Music Wire Compression Spring