Universal clock key is used to wind most clocks
5 Prong - odd sizes - 5 Prong - even sizes
Brass key
ODD Sizes: 3mm 1/8 in (3), 3.5mm 9/64 in (5), 4mm 5/32 in (7), 4.5mm (9), and 5mm 13/64 in (11)
EVEN Sizes: 2.75mm 7/64 in (2), 3.25mm 1/8 in (4),3.75mm 5/16 in (6), 4.25mm 11/64 in (8), 4.75mm 3/16 in (10)

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4 inch
Height : 0.3 inch
Length : 7.4 inch

Item Weight: 3.52 ounce (View shipping rates and policies)
Shipping Weight: 4.8 ounce (View shipping rates and policies)

ASIN : B00HFOMW8W

Product Description

5 way clock keys can be used to wind grandfather clocks and other antique clocks so your antique clock can be both beautiful and functional. They can also serve as a replacement or back up of original clock keys that are often lost with older antique grandfather clocks.

The keys are made of durable brass material and will last a lifetime. Remove the uncertainty of your purchase with the 2 pack of keys, you can be sure the size you need will be included in this pair!