JET TONE STUDIO 1-M-C MOUTHPIECE. £25.00 (+ postage of £3.50) Big rich sound for strong soloist. Rim has a well-defined inner edge. Cup Diameter 17.47mm. Depth  Deep. Throat 27. Overall Diameter 27.94mm.          Buy Now: JET TONE STUDIO 7-S-C MOUTHPIECE. £25.00 (+ postage of £3.50) Semi-brilliant sound with semi-flat rim for good articulation. Ideal for Soprano cornet. Cup Diameter 16.66mm. Depth Shallow. Throat 27. Overall Diameter 27.43mm.          Buy Now: JET TONE STUDIO 7-M-C MOUTHPIECE. £25.00 (+ postage of £3.50) Rich, brilliant very flexible sound. Excellent for studio or big band lead player. Cup Diameter 16.66mm. Depth Medium. Throat 27. Overall Diameter 27.43mm.        Buy Now: JET TONE STUDIO 7-M-D MOUTHPIECE. £25.00 (+ postage of £3.50) Good for aspiring young players - bigger sound with more resistance.       Comfortable, rounded rim. Cup Diameter 16.66mm. Depth Deep. Throat 27. Overall Diameter 27.43mm.       Buy Now: JET TONE STUDIO 10-M-C MOUTHPIECE. £25.00 (+ postage of £3.50) Very bright tonal quality. Cup Diameter 15.87mm. Depth Medium. Throat 27mm. Overall Diameter 27.43mm.       Buy Now: