I have a Gilbert jump/break that I put a Samsara tip on and also have a Jacoby jump cue with a brass ferrule and a G10 tip. Both can jump pretty well but for close jump shots and using the dart stroke the Jacoby does make it easier. The light overall weight but really heavy tip area (brass ferrule) helps get the ball up. For long jump shots with the cue ball close to the rail I tend to go to a standard grip shot and for that I actually like the feel of my Gilbert better, the Jacoby feels too light in the hand for this stroke. So, for now, I'm carrying both.