Regular, by Size (Non Swiss)

Stem Extensions - By Size - Very PopularMulti purpose stem extension are very popular and no watch workshop or repair environment should be without a selection.

• Extend your existing stem
• Change stem thread to a smaller or larger tap size
• Each size Individually available
• Tap 7 (Ø0.70mm) to Tap 12 (Ø1.20mm)
• The second tap size is the threaded length (12mm)

Thread Dimensions: Internal (Ø1) x External (Ø2)