Normalized tube record

0.476 in OD tube

A measured tube group centered on 0.476-inch outside diameter. It is separated from nominal drill-size classes until a verified equivalence is recorded.

0.476 in OD

Observed outside diameters0.476" (12.1 mm)

Known kit lengths2

Linked kits / projects8

Replacement listings0

Before substituting

Match OD, wall thickness, and length.

The class name helps discovery; it does not override the kit maker's current tube specification. A close drill size does not prove that two brass tubes are interchangeable.

Kit cross-reference

Known barrel lengths

Jr. Gentleman I end capped pen kitsXiamen Rizheng · RZ-FP380Upper / capbarrel position0.476" (12.1 mm)tube OD1.819" (46.2 mm)tube lengthNot recordedminimum blank cutOpen kit →Jr. Gentleman I end capped pen kitsXiamen Rizheng · RZ-RP380Upper / capbarrel position0.476" (12.1 mm)tube OD1.819" (46.2 mm)tube lengthNot recordedminimum blank cutOpen kit →Jr. Gentleman I upgraded FP pen kitsXiamen Rizheng · RZ-FP51Upper / capbarrel position0.476" (12.1 mm)tube OD1.819" (46.2 mm)tube lengthNot recordedminimum blank cutOpen kit →Jr. Gentleman I upgraded RB pen kitsXiamen Rizheng · RZ-RP51Upper / capbarrel position0.476" (12.1 mm)tube OD1.819" (46.2 mm)tube lengthNot recordedminimum blank cutOpen kit →Jr. Gentleman II fountain pen kitsXiamen Rizheng · RZ-FP210Upper / capbarrel position0.476" (12.1 mm)tube OD1.969" (50.0 mm)tube lengthNot recordedminimum blank cutOpen kit →Jr. Gentleman II rollerball pen kitsXiamen Rizheng · RZ-RP210Upper / capbarrel position0.476" (12.1 mm)tube OD1.969" (50.0 mm)tube lengthNot recordedminimum blank cutOpen kit →Over/under shotgun FP pen kitsXiamen Rizheng · RZ-FP379Upper / capbarrel position0.476" (12.1 mm)tube OD1.819" (46.2 mm)tube lengthNot recordedminimum blank cutOpen kit →Over/under shotgun RB pen kitsXiamen Rizheng · RZ-RP379Upper / capbarrel position0.476" (12.1 mm)tube OD1.819" (46.2 mm)tube lengthNot recordedminimum blank cutOpen kit →