Taylor Pickguard Right Handed For GA / GS Series Guitar 5” Tortoise Tortoise Pickguards. Add or replace a pickguard with one that’s a custom-fit for your Taylor model. To find the right size, first determine the shape of your guitar according to the guide below, then measure the width of the rosette from the outside inlay edge Determining Body Shape: Dreadnought—Models ending in 0 (i.e. 310) Grand Concert—Models ending in 2 (i.e. 312ce) Grand Auditorium & Grand Symphony-models ending in a 4 or 6”. Jumbo—Models ending in 5 (i.e. 355ce) Grand Symphony — Models ending in 6 (516ce)