The air intake is shutter type, and it takes in fresh air while doing the work. This removes the dust particles effectively. The size of the tool is small and handy despite its heavy use. Due to the fast rotation of the disc and high power, it can make time requiring work very fast, so it's also a time saver. The power used by this tool is 950 W. This is going to be all the power you're going to need while cutting through even the densest objects like concrete slabs and heavy metals. Whether you're a worker, a technician or a home hobbyist, this tool can be your sidekick in many ways.The disc has a size of 115 mm. It is sturdy and long-lasting. The disc has a sharp design and slides through wood, metal and hard objects with ease. The grinding is smooth, and it does not vibrate vigorously. Each disc can be used more than just one time. The collar gets attached secure and firm. While cutting metals that gives off sparks, it is recommended that you use full-body coverage and ear coverage since it is very noisy. All the accessories are professional, giving you the exceptional result you desire. The angle grinder is for long-term use, and you can get it replaced within a year if something goes wrong. Now you can enjoy your work as it becomes more comfortable, faster and less tiring.