Mainspring (1 piece)

• Description: Mainspring is pre-lubricated, made of white alloy, and stored in a shipping ring. 
• Part #: Tru-Power U338 (Bestfit 710K)
• Size: [Width - Thickness - Length]
• Metric: 1.25 - 0.09 - 241mm
• Dennison: 3.5 - 12 - 9.5"
• End Type: Tongue
• Condition: Inspected for damage or use. Delivered in labeled plastic bag.

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