The silver one.
I've got a large reel of thinnish tape at the moment, but sometimes it's good to have the wider stuff to. It helps to concerntrate the weight in 1 spot rather than spreading it out.
I wouldnt use 'branded' weight as it tends to look ugly on the frame.
Babolat Strike 18 x 20; Wimbledon stringing team since '04 - Head Wimbledon stringer '14; Babolat stringing team '10-'14. Twitter - @therqtstringer