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