- Size: Shaft Diameter 0.4 x Thickness 0.4 x Total Length 5.6 inches (10.0 x 11.8 x 141 mm).
- Material: Upper axis: plastic; Lower shaft: shaved solid brass.
- Specifications: Retractable / oil-based ballpoint pen (equipped with an ultra-low viscosity oil-based ballpoint pen "Mach Ballpoint Pen")
- Ball Diameter: 0.02 inches (0.5 mm); Ink Color: Black; Weight: 0.9 oz (26 g).
- Luxury solid brass shavings for optimum weight and balance (Bottom Shaft) Weighs 0.9 oz (26 g) that is easy to hold and balance. Equipped with an ultra-low viscosity oil-based ink "Mach Ball Ink" for an impressive smooth writing experience. Unique Testing Tube Packaging
