Makita 18V LXT® Lithium‑Ion Brushless Cordless 4‑1/2" / 5" X‑LOCK Angle Grinder, with AFT®, Tool Only - - Amazon.com
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Makita 40v X-Lock Grinders. Are They MORE POWERFUL? Is X-Lock Better? - YouTube
Makita X-LOCK 5" x .045" x 7/8" Type 1 General Purpose 60 Grit Thin CutOff Wheel for Metal and Stainless Steel Cutting E-00474 from Makita - Acme Tools
Makita X-Lock Angle Grinders – Has Anyone Used These?