【New, Unused】 Mitsubishi Pencil Ballpoint Pen Refill Signo UMR-5 0.5mm Black, set of 6. These refills are popular for their smooth writing feel. Perfect for planners, notebooks, studying, and work♪ Smooth yet non-smudging gel ink. Water-resistant and light-resistant, taking advantage of the characteristics of pigment. 【Product Details】 ・Manufacturer: Mitsubishi Pencil (uni) ・Part Number: UMR-5 ・Ink Color: Black ・Ball Diameter: 0.5mm ・Compatible Products: Uni Signo Series Standard UM-100, UM-115 UM‑100.15 Eco Writer UM-100EW GP UM-115 【Sales Quantity & Price List】 Set of 6: ¥300 Set of 10: ¥480 Set of 20: ¥800 Set of 30: ¥1,100 Set of 50: ¥1,700 Set of 100: ¥3,000 We can accommodate orders of 100 or more. If you want a different quantity than listed, please let us know the desired number in the 【comment section】. We will create a 【dedicated page】 to match your request. Please note that the shipping method may be regular mail, Yu-packet Post Mini, or Click Post depending on the quantity. ★Bulk purchases are welcome! Please let us know the desired quantity and ink color combination in the 【comment section】. We will create a 【dedicated page】 to match your request. Please consider purchasing while supplies last♪