... head or double head available size:m10x1,m8x1,m6x1,1/8"bsp,1/4"bsp material:carbon steel grease fitting are available ... plated, stainless and brass in order to guarantee durability and safetyMild steel Zinc plated to provide long lasting corrosion-proof and ... parts, according to your requirements. We offer both metric and imperial grease fittings and zerk fittings double head grease fittings 1/8"bsp