Check the listing for details. vintage divers knife. Condition: Used. Listed at 13.00 USD. The vintage diver's knife is a classic and sturdy tool designed specifically for underwater tasks, such as cutting through rope, netting, or other materials. This knife is essential for scuba divers and snorkelers who may encounter obstacles while navigating the ocean floor. Its durable construction and unique design make it a reliable choice for those engaging in water sports activities.