Twist Pen Parker refill — PENEUF

Pen twists in the middle. Takes a Parker refill (included). Sierra pens pull apart in the middle to change the refill. The tip unscrews on the Cigar pen, which is a big, heavy pen.

Rollester Rollerball Pen — PENEUF

Parker QuinkFlow Ink Refill for Ballpoint Pens, Medium Point, Black Pack of 6 Refills (1782469) : Office Products

Pen twists in the middle. Takes a Parker refill (included). Sierra pens pull apart in the middle to change the refill. The tip unscrews on the Cigar

Twist Pen Parker refill — PENEUF

Takes a Parker refill. Bottom tip unscrews to access the refill (watch out for the spring on the end of the refill). Anvil and slimpro are types of

Click Pen Parker refill — PENEUF

Ballpoint Pen Refills with Spring for Penneed B5/B6/B8 Pen, Parker Waterman Compatible Ballpoint Pen Refills Twist Action Medium Point 1.0mm Pack of 10(Blue Ink) : Office Products

Parker QuinkFlow Refill for Ballpoint Pens, Fine Point, Black ink, 1 unit per pack (3031531) : Parker Jotter Refill : Office Products

Twist Pen Parker refill — PENEUF

Twist Pen Parker refill — PENEUF

Shop — PENEUF

PARKER QUINKflow Ballpoint Pen Ink Refill, Broad Tip, Blue : Office Products

Shop — PENEUF

Twist Pen Refill