Wire Wheel Brush Cup Brush, Twisted Knotted Cup Brush for Grinders, 58 Inch-11 Threaded Arbor, 0.020 Inch x 3 Inch for Heavy Cleaning Rust, Stripping and Abrasive, for Angle Grinder

The TILAX Wire Wheel Brush Cup Brush is a good option for those who want to clean heavy rust, strip paint, or abrasives. It is a twisted knotted cup brush that can be used on grinders and has a 5/8" - 11 threaded arbor and 0.020-inch x 3-inch dimensions. The brush is compatible with angle grinders and has an aggressive wire for heavy-duty cleaning. The product features an easy-to-use timer that enables users to set it to go on at 7 am and off at 7 pm. The timer can be set to be on from 30 minutes to 24 hours, allowing for continuous use. The device features 48 tabs total, each in 30-minute increments, with the option to set it in 30-minute segments on and off. The TILAX Wire Wheel Brush Cup Brush is UL-certified, ensuring safety. However, it is not a GFCI. While some reviewers have faced issues with the device and found it difficult to install, others have praised its reliability and value for money.