Denis Wick 4 Trumpet Gold Plated Mouthpiece Please note that we judge the condition of this product to be: Used GoodPlease see pictures for quality, There will be some wear. This listing is for a Denis Wick 4 Trumpet Gold Plate. We estimate that is has 80% of its plating. These are the approxamate mesaaurements rounded up. Cup Diameter = 21mm, Rim Width = 5.21mm, Cup Depth = 10.4mm, Shank Top Diameter = 12.48mm, Shank Bottom Diameter = 10.39mm, Shank Length = 51.96mm.