TWSBI Slim Ballpoint Mechanical Ballpoint Pen M7440030 Tri-Tech Multi-Function Pen, Pink, 0.5mm Pencil, 0.7mm (Black/Red),

[Brand] TWSBI [Type] Knock-type multi-function pen Lead diameter: Mechanical pencil: 0.5mm / Ballpoint pen: 0.7mm (black/red) [Size] Length: Approx. 136mm Maximum barrel diameter: 8mm [Accessories] Genuine manufacturer's case / instruction manual / 1 pencil refill / 5 erasers / ballpoint pen / 2 refills TWSBI is a private brand created by TA SHIN PRECISION Co., Ltd. (now Sanwen Tang Pen Co., Ltd.), a Taiwanese company that has been manufacturing and processing plastic and metal parts for various high-end writing instruments for 40 years.