***PLEASE NOTE that this item has been out of stock at the supplier and is going to take longer than usual to arrive. No eta is currently available. ***
Small shank mouthpiece. Same cup and rim as a model 5 but with a slightly larger throat and backbore, but not as large as a 5G or 5GB. • 25.50mm cup diameter • Medium cup depth • 0.261" medium throat • 420 backbore.