Makita 18V LXT Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Paddle Switch X-LOCK Angle Grinder with AFT, Tool Only XAG26Z - The Home Depot
X-LOCK - Up to 5x faster accessory changes
Makita 4-1/2 Inch Xlock Angle Grinder, 11-3/8 Inch Length, 7.5 Amps, 5.1 Pounds, 11,000 RPM, GA4570 at Tractor Supply Co.
Makita X-Lock Angle Grinders – Has Anyone Used These?
Makita Canada Inc
Makita X-LOCK 4-1/2 in. x 0.045 in. x 7/8 in. 60-Grit General Purpose Thin Cut‑Off Wheel for Metal and Stainless Steel Cutting E-00446 - The Home Depot