Auto Ballpoint Pen Refills, Water-Based, 0.5mm, Box of 5, C-305P Red/5P

●5-Pack Water-Based Ballpoint Pen Refills ●0.5mm Ball Diameter, Fine Point, Water-Based Ink ●Ceramic ball tip for smooth writing ●Special design prevents drying out even when the cap is open ●Compared to ceramic balls and metal balls (Characteristics of ceramic balls): 1. Excellent ink adhesion (smooth and easy writing) 2. Rust-resistant for excellent shelf life (chemical stability) 3. Second only to diamond in hardness and abrasion resistance (resistant to deformation and lasting smooth writing) Auto Water-Based Ballpoint Pen Refills (with ceramic ball) [Size] Total Length 111.5mm x Shaft Diameter 6.2mm [Weight] 5.3g [Ball Diameter] 0.5mm [Material] Brass [Country of Origin] Japan [Quantity] 5