The Orenz AT mechanical pencil features an automatic lead-advancing mechanism that lets you continue writing after one knock, along with a dual metallic grip.
Features
Lead diameter: 0.5mm
Barrel color: Dark red
Size: W12 × D11 × H136mm; weight: 15g
Materials: Tip, front barrel, and knock button: brass; rubber grip: silicone; rear barrel: ABS; clip: iron