10.5 mm tube class
A 10.5 mm nominal drilling and tube class commonly found in larger pen families. Treat the kit instructions as authoritative for fit and length.
10.5 mm10.5mm
Observed outside diametersNot measured
Known kit lengths0
Linked kits / projects1
Replacement listings1
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.