Bulldog Winch Adapter for 41000 M12x1.0 to 1/4NPTf Black. We have had many customers ask for a way to convert it and use a more standard connector. We are now offering two different options depending on the model of portable. Specifications for Bulldog Winch Quick Connect Adapters: Manufacturer: Bulldog Winch Color: Black Package Contents: Bulldog Winch Quick Connect Adapters Bulldog Winch 42073: Adapter for 41000 M12x1.0 to 1/4NPTf Black