Adaptor plug is compatible with most heated jacket in the market (5.5cm diameter DC connector), like M12,Milwaukee, Bush, Dewalt,Ravean, Harley-Davidson etc. Ring-Terminals come with Convenient for hard-to-access batteries DC connector can easy connect with soft shell heated jacket directly -40C very low temperature use; cable remains flexible at below freezing temperatures Can Support most of 5.5cm diameter DC connector heated jacket but cannot support Kobalt jacket ›See more product details