Clock Winding Keys Brass Wall and Mantle Single Sizes To Select From

Brass body construction key number to size(No1 = 2.50mm)(No2 = 2.75mm)(N03 =3.00mm)(No4 = 3.25mm)(No5 = 3.50mm)(No6 = 3.75mm)(No7 = 4.00mm)(N08 = 4.25mm)(N09 = 4.50mm) internal key shape is square.

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