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