Tombow Onbook Ballpoint Pen

Tombow Onbook pen. Retractable ballpoint designed to clip onto books, notebooks, journals, etc. Thin flexible metal clip and flat face allow the pen to sit securely on the book face or spine.

Waterproof ink, supplied as blue.

BR-SF refills available here in black, blue, red and green. 

Tombow Onbook Pencil

Tombow Onbook pencil. A mechanical pencil designed to clip onto books, notebooks, journals, etc. Thin flexible metal clip and flat face allow the Onbook to sit securely on the book face or spine.

0.7mm lead and eraser under the cap.

See a list of our wide range of 0.7mm replacement lead here

Spare eraser available here.