Size of muzzle: 13 6L B3 J2 R2 0 3.5 9 BT OB3 R3.5 11 5 B1 D3 R1 2 7 B3.5 OB1 R2L 1 4 B0 D1 OB4 R3L 12 6 B2 J1 R1L 3 8 B4 OB2 R3 10 4L B0.5 D2 R0 R4