Double End Brass Clock Winding Key Clockmaker Tool Sz 5

New Double End Clock Key Size 5 This is a new brass double end clock key size 5 This is used to wind clock mainsprings The small hole measures 1.95 mm The large hole measures 3.5 mm

FindingKing Double End Clock Key Size 5 This is a new brass double end clock key size 5 This is used to wind clock mainsprings The small hole measures 1.95 mm The large hole measures 3.5 mm Material - Brass Color - Yellow