uni Mitsubishi PencilBrand · Paper goodsUNI Jetstream Lite Touch Ink 0.5mm Refill$2.50 – $3Stocked at 3bobo design studioPalm Springs, CARetailer · Stationery shop$3OMOIPhiladelphia, PARetailer · Stationery shop$2.50The Analog StationerBrooklyn, NYRetailer · Stationery shop$3