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Feature

Universal clock key
Used to wind most clocks
Even sizes: 5 prong
Brass key
Sizes: 2.75mm 7/64 in (2), 3.25mm 1/8 in (4), 3.75mm 0.14 in (6), 4.25mm 11/64 in (8), 4.75mm 3/16 in (10)

Description

Universal brass clock key with 5 prongs for winding clocks. The universial clock key covers most all the clock key sizes. The Even Sizes include: 3.25mm - 1/8 in (4), 3.75mm - 0.14 in (6), 4.25mm - 11/64 in (8), and 4.75mm - 3/16 in (10), 5.0mm 1/5 in (12) Measurements are approximate.