2.90mm Height

• Swiss Made
• Generale Ressorts
• Generale Ressorts state that mainsprings are manufactured from inox steel
• Sizes: Height 2.90 x Thickness (Strength) x Length x Barrel Diameter
• If bridle type is not specified then it is a normal bridle
• Dimensions in millimetres (mm)

GR state that all GR mainsprings are supplied ready to use as they are already greased.