A. This upgraded outdoor multi-functional hammer is a practical piece of equipment for outdoor enthusiasts. It belongs to the tent and awning product series and is designed to meet the needs of outdoor tent setup and removal. B. In terms of design, it features a hexagonal shape, which is novel and provides a good grip during use, making operations more stable. The overall dimensions are 30 * 11.6 * 3.8 cm, a suitable size for easy carrying. Whether placed in a backpack or held in hand, it won't cause much burden. C. Regarding materials, it combines stainless steel and red copper. The stainless - steel part is sturdy and durable, able to withstand relatively large impacts, ensuring that the hammer is not easily damaged during frequent use and providing reliable support for long - term outdoor use. The red copper hammer head has good toughness and wear resistance. When driving in or pulling out tent stakes, it can ensure the hitting force and accuracy while effectively reducing damage to tent and awning stakes. D. The hammer weighs 716 grams, which is a suitable weight. During operation, it won't lack sufficient force due to being too light, nor will it cause excessive fatigue due to being too heavy, allowing users to easily handle various outdoor setup and removal tasks. It has multiple functions. It can be used not only as a hammer to drive tent and awning stakes for setting up outdoor rest areas but also as a nail puller to quickly pull out tent stakes when removing tents and awnings, making the entire outdoor setup and removal process more efficient and convenient. Whether for camping, picnics, or other outdoor activities, this hammer can be a reliable companion, adding convenience to your outdoor adventures.