Zip Air Tool offers a Line of Angle Grinders made with aluminum alloy housings to provide a lightweight option for maximum operator comfort. The spiral bevel gearing in the angle head provides extended life and smooth, low vibration. To increase maneuverability, the tool also offers a removable side handle. These grinders are offered in a 5" option, (No. ZAG5110BC) which offers 10,900 RPM and a 5/8" by 11" spindle, and a 7" option, (No. ZAG7UMR), which offers 7,600 RPM.