Brass Blessing : 2 pieces 5-in-1 Odd/Even Number Brass Clock Winding Key (5025) - 9Key Set

• Package Content: Set of 2 clock keys for winding clocks || 5 prong both odd and even numbers || Made of brass (A metallic alloy that is a good source of copper and zinc) || Universal application 5 prong odd sizes: 3, 5, 7, 9, 11 || 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) 5 prong even sizes: 2, 4, 6, 8, 10 || 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) Master key: This master key has universal application. If you owe many winding clock in your stock but always problem for the key. These two keys are solution for you. Most of all winding clock keys available in these 10 prongs (Each Key with 5 prong)