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