Good workmanship and good performance. A versatile electric angle grinder with high performance, high efficiency, safety and stability.Tungsten steel shaft with high hardness and high wear resistance for durability. The cordless angle grinder eliminates cable clutter and you can start work anytime, anywhere. This buffing machine is adjustable for different work needs and can meet the different needs of woodworking electricians. If item is defective after 3 months, you can still send it back to us.