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