Nibs: 

1: Cloth tip: Φ7.0*8.0mm, 

2: Suction cup: Φ6.8*15mm

Pen barrel: D-shaped aluminum with paint finish Φ9*Φ8.3*102mm

Cap: D-shaped copper with paint finish 

1: Φ9*20mm, 2: Φ9*33mm

Refill: Plastic/black oil-based ink Φ2.0*109mm

Nib: Chrome-plated copper with paint finish 

1: ø7*13.8mm, 2: ø7*13.8mm

Replaceable nibs: Yes

Tip lifespan: >20,000 clicks

Tip writing force: About 25g

Dimensions: Φ9*161mm

Net weight: About 19±1g

Accessories: 2 suction cups, 3 silicone conductive tips