It is fitted with a tuning slide to assist the user to play in tune with other Buglers or Band members. The mouthpiece lead pipe diameter is approximately 10.5mm.LIGHT WEIGHT - 625 g. The item "Professional British Army Marching Bands Bb Bugle Silver Plated 5C Mouth Piece" is in sale since Sunday, December 25, 2016. This item is in the category "Musical Instruments\Brass\Bugles". The seller is "scottishdragon1" and is located in london, London. This item can be shipped worldwide.