The Douglas has a slightly convex profile with conical finials and an almost invisible joint where the cap and body meet. The section is concave with a slight pinch closer to the nib, unless otherwise requested.

Closure: Single-start Thread

Filling Mechanism: Cartridge Converter

Nib: #6 Jowo

Diameter - Body: 14mm

Diameter - Cap: 15mm

Diameter - Grip: 11mm

Length - Body: 108mm

Length - Cap: 60mm

Length - Overall: 140mm