I declare my ball unplayable on a finger of rough adjacent to a bunker. In dropping my ball it barely rolls into the bunker, just under two driver length from where it hit the ground.

If I was to use my sand wedge to measure two club lengths the ball would have rolled more than the two wedge club lengths from where it hit the ground.

As I would prefer to play from the grass instead of the bunker, do I (the player) have a choice as to what club I use to establish my two club lengths?