OSOffice Supplies Guide UK

UK office product comparison

Best Office Rollerball Pens
for 2026.

A sensible best office rollerball pens choice comes down to ink type, tip size, colour and pack quantity. We have given each listing its own place in the comparison rather than treating them as interchangeable.

Prices, stock, delivery and final specifications should be checked on the retailer page.

How this page works. Five relevant catalogue products are compared, and every card uses the other four as its reference point. The copy is based on listed product information, not hands-on testing.

Best starting point

Pentel EnerGel X Retractable Gel Pen Medium Blue (Pack of 12) BL107/14-C

This is the first option to inspect when ink type is central to the job.

View product

Compare the options

Our picks compared

All five products are shown here. The table keeps the useful catalogue cues together, while the cards explain how each pick differs from the other four.

ProductRetailer categoryTitle cues
Pentel EnerGel X Retractable Gel Pen Medium Blue (Pack of 12) BL107/14-CBallpoint & Rollerball Penspack of 12, blue
Pentel EnerGel X Retractable Gel Pen Medium Red (Pack of 12) BL107/14-BBallpoint & Rollerball Penspack of 12, red
Pentel EnerGel Xm Retractable Gel Pen Medium Blue (Pack of 12) BL77-CBallpoint & Rollerball Penspack of 12, blue
Bic 4 Colours Ballpoint Pen and Mechanical Pencil (Pack of 12) 942104Ballpoint & Rollerball Penspack of 12
Bic Cristal Ballpoint Pen Medium Black (Pack of 4) 516335Ballpoint & Rollerball Penspack of 4, black

Product notes

Five different buying angles

Best ink type cue

Pentel EnerGel X Retractable Gel Pen Medium Blue (Pack of 12) BL107/14-C

The listing makes its clearest case around ink type.

Its place in this five-product set comes from the ink type wording, not hands-on testing.

What we don't like

  • No clear edge over Bic 4 Colours Ballpoint Pen and….
  • Check ink type against Bic 4 Colours Ballpoint Pen and….
ProductPentel EnerGel X Retractable Gel Pen Medium Blue (Pack of 12) BL107/14-C
Retailer categoryBallpoint & Rollerball Pens
Title cuespack of 12, blue
Comparison positionPick 1 of 5. Four alternatives are compared in the bullets.
View product at Office Monster

Best defined red option

Pentel EnerGel X Retractable Gel Pen Medium Red (Pack of 12) BL107/14-B

A practical place to start if red decides the fit.

The catalogue makes red the clearest angle, unlike Pentel EnerGel X Retractable Gel Pen….

What we don't like

  • Red is title-level detail only.
  • Less blue detail than Pentel EnerGel X Retractable Gel Pen….
ProductPentel EnerGel X Retractable Gel Pen Medium Red (Pack of 12) BL107/14-B
Retailer categoryBallpoint & Rollerball Pens
Title cuespack of 12, red
Comparison positionPick 2 of 5. Four alternatives are compared in the bullets.
View product at Office Monster

A clear ink type pick

Pentel EnerGel Xm Retractable Gel Pen Medium Blue (Pack of 12) BL77-C

A practical place to start if ink type decides the fit.

This listing reads differently because ink type is the clearest cue in its name.

What we don't like

  • No clear edge over Pentel EnerGel X Retractable Gel Pen….
  • Less red detail than Pentel EnerGel X Retractable Gel Pen….
ProductPentel EnerGel Xm Retractable Gel Pen Medium Blue (Pack of 12) BL77-C
Retailer categoryBallpoint & Rollerball Pens
Title cuespack of 12, blue
Comparison positionPick 3 of 5. Four alternatives are compared in the bullets.
View product at Office Monster

Best fit for ink type

Bic 4 Colours Ballpoint Pen and Mechanical Pencil (Pack of 12) 942104

Choose this over Bic Cristal Ballpoint Pen Medium Black… when the ink type cue fits your brief.

The practical value is tied to ink type. Check the live retailer details before comparing the final cost with the other four.

What we don't like

  • No clear edge over Pentel EnerGel X Retractable Gel Pen….
  • Less red detail than Pentel EnerGel X Retractable Gel Pen….
ProductBic 4 Colours Ballpoint Pen and Mechanical Pencil (Pack of 12) 942104
Retailer categoryBallpoint & Rollerball Pens
Title cuespack of 12
Comparison positionPick 4 of 5. Four alternatives are compared in the bullets.
View product at Office Monster

The pack of 4 alternative

Bic Cristal Ballpoint Pen Medium Black (Pack of 4) 516335

The listing makes its clearest case around pack of 4.

This listing reads differently because pack of 4 is the clearest cue in its name.

What we don't like

  • pack of 4 is title-level detail only.
  • Less pack of 12 detail than Pentel EnerGel X Retractable Gel Pen….
ProductBic Cristal Ballpoint Pen Medium Black (Pack of 4) 516335
Retailer categoryBallpoint & Rollerball Pens
Title cuespack of 4, black
Comparison positionPick 5 of 5. Four alternatives are compared in the bullets.
View product at Office Monster

Buying checks

What to check before ordering

Compare ink type, tip size, colour and pack quantity. Then confirm the exact variant, delivery access, assembly requirements, returns terms and quantity on the retailer page.