I have used this one for 14 years and it works well, others are available too.

Available here http://www.halfords.com/motoring/engine-oils-fluids/grease/comma-cv-lith-moly-grease-500g

No such thing as a silly question in these parts everyone on here has questions too. You have the best of guns there, I have a Draper run of the mill thing.

2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev