See more: Band & Orchestral
EZ-3A and EZ-2A are the exact same shoulder rest, but with the pre-set size of the rest listed first. With EZ-3A the feet are in the 3/4 size positions holes, but can be moved in to the 1/2 position holes. The EZ-2A mode is set for 1/2 size and can be adjusted to fit 3/4 size.