Light to medium severity, three piece mouth, center piece measures 1 1/2'' and has loose copper rollers. Three piece mouth allows more bend than a two piece mouth. It allows more tongue relief. Works on the outside bar pressure points. Copper inlayed bars. 

• Dutton Bits dog-bone mouth piece with copper roller center 5" mouthpiece. 
• Short Shank Swept Back Cheek 
• Purchase: 2 1/4'' 
• Shank: 3 1/4'' 
• Cheek: 6'' 
• Handcrafted in the USA