Brass Clock Key #12 (5.25mm) – Limited Availability! – CLOSEOUT

This brass clock key, size #12 with a 5.25mm opening, is perfect for winding antique clocks. Made from durable brass, it’s built to last and fits comfortably in hand, making winding easy and secure. Clock keys like this one are used to wind the spring inside a clock, helping it keep time and power any chimes. Get yours while you can—once these are gone, we won’t be able to get this size again!