[Features] Smooth and silky writing / Water-resistant water-based pigment ink / Intense, smudge-free, vibrant colors [Specifications] Body: Resin with rubber grip / Nib: Equipped with airtight system [Ballpoint pen refill] JF-0.5 [Single item size] Total length 141 x maximum shaft diameter 11.2 mm / weight 9.7 g [Quantity] 10 pieces Total length 14.1cm