![Large Winged SE Clock Key 6.00 mm (10591792463)](http://perrinwatchparts.com/cdn/shop/products/74.262-6to16-300_300x300_4900422a-816f-4946-9dcb-6c11c68c7a5e_300x300.jpg?v=1612779787)
Large Winged SE Clock Key 6.00 mm is a single ended key made of brass. A Large Winged Single End Key 6.00 mm does not have a logo printed on the key and fits a winding arbor square of 6.00 mm. This equals a key stamped with the number 15. The larger wings on this key allows the user a better grip when winding a clock.