This pen and gear set from Clasp Envelope is perfect for any business or personal use. The set includes 25 units of a pen and gear combination, each measuring 6 inches by 9 inches. The brand, Pen+Gear, is known for its quality products and this set is no exception. The model number for this set is Wal60750 and it falls under the category of Other Envelopes & Mailers in the Business & Industrial and Material Handling sections. The unit type is a unit and the unit quantity is 25. This set is ideal for anyone in need of a reliable and efficient way to send documents or packages.