uni Mitsubishi PencilBrand · Paper goodsUni-Ball ZENTO .38mm Gel Pen Ink Refill, Black$2.50 – $3.95Stocked at 2Rock Paper ScissorsCharlottesville, VARetailer · Stationery shop$2.50Slackline PressBranford, CTRetailer · Stationery shop$3.95