Normalized tube record

0.571 in OD tube

A measured tube group centered on 0.571-inch outside diameter. It is separated from nominal drill-size classes until a verified equivalence is recorded.

0.571 in OD

Observed outside diameters0.571" (14.5 mm)

Known kit lengths3

Linked kits / projects6

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

Hawaiian love fountain pen kitsXiamen Rizheng · RZ-FP12Upper / capbarrel position0.571" (14.5 mm)tube OD1.949" (49.5 mm)tube lengthNot recordedminimum blank cutOpen kit →Hawaiian love rollerball pen kitsXiamen Rizheng · RZ-RP12Upper / capbarrel position0.571" (14.5 mm)tube OD1.949" (49.5 mm)tube lengthNot recordedminimum blank cutOpen kit →Jr. Gentleman large end capped FPXiamen Rizheng · RZ-FP276Upper / capbarrel position0.571" (14.5 mm)tube OD2.047" (52.0 mm)tube lengthNot recordedminimum blank cutOpen kit →Jr. Gentleman large pen kitsXiamen Rizheng · RZ-FP50Upper / capbarrel position0.571" (14.5 mm)tube OD2.047" (52.0 mm)tube lengthNot recordedminimum blank cutOpen kit →New majestic fountain pen kitsXiamen Rizheng · RZ-FP516Upper / capbarrel position0.571" (14.5 mm)tube OD1.732" (44.0 mm)tube lengthNot recordedminimum blank cutOpen kit →New majestic rollerball pen kitsXiamen Rizheng · RZ-RP516Upper / capbarrel position0.571" (14.5 mm)tube OD1.732" (44.0 mm)tube lengthNot recordedminimum blank cutOpen kit →