Tip opening: .080". Facing length: 20mm. Chamber: Medium. 
 
Metalite Alto mouthpieces are jazz musicians' favorite because they offer sound like a metal mouthpiece, but at a much more affordable price. This mouthpiece is crafted from durable material and features a medium chamber. 
 
PRODUCT FEATURES
Material: Hard Rubber
Pitch System: 440hz AND 442hz
Style: Classical
Available in (American Pitch) Tip Openings for: X0 - 1.00mm X5 -1.05mm X10 - 1.12mm
Available in (European Pitch) Tip Openings for: X10E -1.11mm X15E - 1.18mm X25E - 1.25mm