Others

ZEBRA Sharbo X LT3

The multi-functional pen we most recommend for the Hasamu A4 is the ZEBRA SHARBO X LT3. It comes as a body only, without refills, and you can add your preferred mechanical pencil and two colors of ...

MUJI Retractable Ballpoint Pen, Aluminum Body

Muji retractable ballpoint pen. The shaft diameter is slim, measuring 9.8mm at its widest point (actual measurement). It fits perfectly into the pen holder of the Hasamu A4. It's a ballpoint pen wi...

CROSS Tech3+

The CROSS Tech3+ is a multi-function pen that allows you to switch between a 0.5mm mechanical pencil, black and red ballpoint pens, and also includes a stylus for tablets. The barrel is slim, about...

Itoya Helvetica 3in1 Multifunction Pen

Hasamu A4 can only hold one pen, so many people probably want to use a multi-functional pen. The Helvetica 3in1 is a multi-functional pen with a slim barrel diameter of 8.8mm, yet it can switch bet...

Rotring 600 3-in-1 Multifunction Pen

Since the Hasamu A4 can only hold one pen, many users might want to use a multi-function pen. Among the many multi-function pens, the rOtring 600 3in1 stands out for its high quality. It's a multi...

rOtring rapid PRO 2.0 Lead Holder

Introducing the perfect pen for the Hasamu A4 pen holder, which is limited to shafts with a diameter of 10mm or less. rOtring rapid PRO 2.0.This is a 2mm lead holder. Similar to a mechanical penci...

Caran d'Ache Ecridor and 849 Ballpoint Pens

The silver pen in the back is a vintage Caran d'Ache Ecridor.It has a simple design that imitates a pencil, with a solid weight and durability.What's particularly noteworthy is its luxurious, quie...