LockWrite Pen Cartridges
LockWrite Pen Cartridges, These precision, German ink cartridges are specifically designed to refill your ASP LockWrite Click or LockWrite Twist Pen-our unique, ultra-practical combination writing tool and handcuff key.Available with black, blue or red ink. IMPORTANT: This refill connects to an inner barrel/liner-be sure not to discard this inner barrel/liner when replacing cartridge.