We are now offering our ever popular sewing machine oils designed for Bernina Black bobbin 5 series 7 series and 8 series machines in this handy twin pack. The black cap oil is the #6 grade oil for oiling the hook on these machines and the white cap oil is the number 10 grade oil for oiling any other parts such as needle bar crank etc. Both oils meet Bernina technical specifications and come in easy to use snd store 1oz / 10ml bottles. 
The number 10 oil is also suitable for any other machines you may have in your sewing studio.