D1 Soul Ballpoint Pen Refill - Black 5 Pack Kaweco £7.00 Fine - £7.00 Medium - £7.00 Quantity This variant is currently sold out D1 Soul Ballpoint Pen Refill - Black 5 Pack. Kaweco 'Soul' standard D1 mini ballpoint refill. High-quality refill for Kaweco pens. 67mm long, 2.3mm diameter. Pack of 5 refills