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