LockWrite Pen Cartridges

ASP, Inc. Verified independent store

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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. Show more