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Home / Ballpoint Pens / [12 Pack] Deli 6505 Classic Blue Retractable Oil-Based Ballpoint Pen for Doctors, Prescriptions, Reports, Sketching, Drafting, Accounting, and Field Notes

Attributes

Brand -
Category Stationery, Educational Electronics & Office Supplies / Ballpoint Pens
Origin -
Brand Deli
Model Number 6505
Ink Color Classic Blue
Pack Size 12 Pens
Tip Size 1.0 mm Medium Point
Ink Type Oil-Based
Mechanism Retractable Click
Barrel Material Durable Plastic
Clip Style Pocket Clip with Cap
Best For Writing, Sketching, and Note-Taking

6 reviews

A

Anonymous

Mar 31, 2026

Rating: 5/5

Reliable for medical notes

I needed pens that wouldn't smear on prescription pads or patient charts. These Deli pens are excellent. The retractable mechanism is sturdy and saves time.

A

Anonymous

Mar 29, 2026

Rating: 4/5

Solid everyday pen

Good quality plastic barrel and consistent ink flow. The blue shade is a true classic blue, not too light or too dark. Will buy again when this pack runs out.

A

Anonymous

Mar 15, 2026

Rating: 4/5

Great value pack

You get a lot of pens for the price. They feel comfortable in the hand during long writing sessions. One pen had a slightly stiff clicker, but the rest were perfect.

A

Anonymous

Mar 10, 2026

Rating: 5/5

Perfect for daily office work

These pens write smoothly right out of the box. The blue ink is vibrant and professional looking. I use them for all my reports and they never skip.

A

Anonymous

Mar 05, 2026

Rating: 5/5

No more lost caps!

I love that these are retractable. I used to lose caps constantly with my old pens. The clip is strong enough to hold onto my shirt pocket securely.

A

Anonymous

Mar 01, 2026

Rating: 5/5

Smooth drafting companion

As an architect, I do a lot of quick sketching and field notes. The oil-based ink flows consistently without blotching. Highly recommended for professionals.

5 FAQ

Q: Is the ink waterproof?

A: The ink is water-resistant to a degree, making it suitable for standard document handling, but it is not fully waterproof for submersion.

Q: Does the clip break easily?

A: The clip is made from durable plastic integrated into the cap design. While no plastic is unbreakable, it is built to withstand normal daily pocket carry.

Q: Can I refill these pens?

A: No, the Deli 6505 model is designed as a disposable unit and does not support refilling.

Q: What is the exact tip size?

A: These pens feature a 1.0 mm medium point tip, which provides a balance between line width and precision.

Q: Are these suitable for left-handed writers?

A: Yes, the oil-based ink dries quickly, which helps prevent smudging for left-handed users.

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