Watch Part Silver Mainspring Generic Fit for Movement 7S26 7009 #180Features: Product material is strong, durable, long service life. 3pcs pack means 3pcs watch parts in the parcel.

Tightening on external from 12 to 30 mm

Alternative uses can also be a storage tray to contain small items

Delrin is an ESD Isolating material

Cleaning pen is perfect for watch crystals

Stem Number : S351819

convenient for you to carry

Length 220mm

polishing compound and deluxe wooden case complete the set

Complete set comes with wood stand to hold all parts together

Can easily adjust to adapt variety of sizes of watch cases (18mm to 55mm)

Brand New Generic Watch Winding Stems for 3135 Movement Swiss Quality

Synthetic Reversible movement holder