You can ask us to send any length for the bell (from 100mm to 113mm). Provide your bell tenon receiver size, normally its 27mm. You can ask us to send any length for the barrel (from 58mm to 68mm). Provide your upper part tenon receiver size, normally it 24mm.Mouthpiece fit size: Vandoran (B40, B45 and similar). For more models of Bells and Barrels in different tropical woods, sizes, and designs. Please google'Hakam Din Musical Instruments Factory.