Bosch Diamond 4.5 in Cup Wheel Fitting Removal Tools The Broan NuTone occupancy sensing switch '203979022 The Broan NuTone occupancy sensing switch turns the fan light on when it detects motion in the room and turns them both back off right after the motion stops Powerful Performance: 12 amp motor with 0–3 5 8 11 spin on arbor size for use with small angle grinders Double row segments for quick material removal Optimized bond and formula for longer life Optimized segment height minimizes dust and debris Sub Brand N A Series Name N A Application Grinding and cutting Material Diamond Type N A Wheel Type Cup wheel Grit N A Diameter (Inches) 4