NOS German Made Steel Clock Key – 4 mm x 4 mm Shaft # TWO

4mm Steel Clock Winding Key – NOS German Style Two

This New Old Stock German steel 4mm steel clock winding key is designed for compatible clock winding arbors measuring approximately 4mm × 4mm square. It is an unused older replacement part suitable for clock repair, restoration or replacing a lost winding key.

This listing is for Style Two. Because the key is New Old Stock, it may show minor surface discolouration or storage marks from age, but these cosmetic signs do not normally affect its practical use.

Product Details

• Type: Mechanical clock winding key
• Fitting: 4mm × 4mm square
• Material: Steel
• Origin: Germany
• Condition: New Old Stock, unused
• Style: Two

Suitable For

• Compatible mechanical clocks with a 4mm square winding arbor
• Replacement of a missing winding key
• Antique and vintage clock restoration
• Clockmakers and collectors

Important

Clock key sizes must match the winding arbor closely. Measure the square shaft before ordering and do not force an incorrect key onto the clock.

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