ORLU REFERENCE MOUTH BARREL LENGTH RUBBER STANDARD 3-002351 (L) 23.2 mm 22.0 mm 301 mm European, JETRO

ORMU REFERENCE MOUTH BARREL LENGTH RUBBER STANDARD 3-000081 (M) 19.8 mm 22.2 mm 300 mm European, JETRO

ORN2U REFERENCE MOUTH BARREL LENGTH RUBBER STANDARD 02010651010 (N-2) 19.7 mm 18.4 mm 294 mm European, JETRO

TLC-O1 REFERENCE MOUTH BARREL LENGTH RUBBER STANDARD 02010651010 (N-2) 19.5 mm ---- 293 mm European, JETRO

ORN3U REFERENCE MOUTH BARREL LENGTH RUBBER STANDARD 02010701010 (N-3-B) 19.6 mm 19.1 mm 296 mm European, JETRO

TLC-O2 REFERENCE MOUTH BARREL LENGTH RUBBER STANDARD 02010701010 (N-3-B) 21.3 mm 20.7 mm 296 mm European, JETRO

ORN4U REFERENCE MOUTH BARREL LENGTH RUBBER STANDARD 02011107010 (N-4-B) 21.3 mm 20.7 mm 296 mm European, JETRO