PILOT Pilot Oil-based Ballpoint Pen Refill 1.6mm Super Thick Red Refill BSRF-8BB-R x 5

PILOT Pilot Oil-based Ballpoint Pen Refill 1.6mm Super Thick Red Refill BSRF-8BB-R x 5

Super thick 1.6mm ball

[Compatible Product] This is a refill that can be used for rex grip, super grip G, and super knock, and other retractable pens.