ASP LockWrite Pen Replacement Ink Cartridges

These precision, German ink cartridges are specifically designed to refill your ASP LockWrite Click or LockWrite Twist Pen – the 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.