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Six stainless steel ballpoint refills, medium black tips, 3.9 inch length

ChaoQ A-424-1 Ballpoint Pen Refills Medium Black 6pcs

SKU CH-EHPF-BWSKE MPN A-424-1

Six stainless-steel ballpoint refills with 1.0 mm medium tips deliver smooth black ink for compatible pens

  • VariantBlack
  • Product typeBallpoint, Medium, 44121900
  • Key featuresMedium, Black, 5.9 × 3.9 × 0.1, ChaoQ
  • Product colorBlack
  • Size details2 in (5.08 cm)
  • Sold as5.9 × 3.9 × 0.1
  • Medium 1.0 mm tip delivers smooth, consistent lines
  • Stainless steel body feels light and premium in hand
  • 9 cm total length fits many standard pens
  • Black ink dries quickly with no smear or smudge
  • Pack of six refills keeps you writing longer

Ballpoint refills, six-pack

These ChaoQ A-424-1 refills deliver black ink through a 1.0 mm medium tip. Each stainless-steel cartridge measures 9.9 cm (3.9 in) long and 0.2 in wide. The pack contains six ready-to-use units.

Writers who need quick, inexpensive refills

Ideal for office, school or home users who want a smooth, smear-resistant line without buying a new pen. Not suited for anyone requiring fine-point detail, coloured ink or a specific proprietary cartridge shape.

1.0 mm medium tip width

This single dimension decides whether the refill fits your pen and matches your preferred line weight. Compare the 3.9 in length and 0.2 in diameter against your current cartridge before ordering.

How it compares

Measured against everything we stock in Pens, Pencils & Felt-Tip Markers, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 90% of the 2,692 comparable items (median $13.99).

Specifications

Product
Brand nameChaoQ
Model nameA-424-1
Product typeBallpoint, Medium, 44121900
Product colorBlack
VariantBlack
Size & build
Size details2 in (5.08 cm)
In the box
Pack quantity6 Count 5.9 × 3.9 × 0.1

Questions about this item

What refill standard or interface does the A-424-1 follow, and what tip width does it cap at?

The refill follows a standard ballpoint interface with a 1.0mm medium tip that caps the line width at that size.

What physical dimensions must a pen barrel accommodate to fit the A-424-1 refill?

The refill measures 9.9cm total length (3.9 inches) with a slim 0.2 inch width and height, requiring a barrel that accepts those exact dimensions.

How is the A-424-1 refill installed, and what step do buyers often get wrong?

Remove the old refill and insert the new one, but the step buyers miss is carefully comparing the look and dimensions of the refill to match the original before purchasing.

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