Comparison : Item # MXO05501-MW, 0.75 Inch (in) Outside Diameter, 0.055 Inch (in) Wire Diameter, and 2 Inch (in) Free Length Music Wire Extension Spring
Item # MXO05502-MW, 0.75 Inch (in) Outside Diameter, 0.055 Inch (in) Wire Diameter, and 2.25 Inch (in) Free Length Music Wire Extension Spring
Item # MXO05503-MW, 0.75 Inch (in) Outside Diameter, 0.055 Inch (in) Wire Diameter, and 2.5 Inch (in) Free Length Music Wire Extension Spring
Item # MXO05504-MW, 0.75 Inch (in) Outside Diameter, 0.055 Inch (in) Wire Diameter, and 2.75 Inch (in) Free Length Music Wire Extension Spring
Item # MXO05505-MW, 0.75 Inch (in) Outside Diameter, 0.055 Inch (in) Wire Diameter, and 3 Inch (in) Free Length Music Wire Extension Spring