| 摘要 |
An adaptable length refill system and method are provided for replacing a refill in a pen housing. The refill is capable of adapting to any one of a number of available pen housings. To this end, a length of tubing is provided having a hollow core. At least one identifier is provided to identify a length of the tubing necessary to be removed to refill one of the available pens. A packaging card may be provided that is capable of holding the length of tubing and further having a scale thereon indicative of the length of tubing necessary to remove to refill one of the available pen housings. Alternatively, extension members may be added to increase the length of the tubing for insertions of an appropriate length refill into a specific pen housing.
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