Attributes . Extreme Protection Technology (XPT) offers maximum protection against dust, debris and liquids for optimal performancein extreme conditions, 4 stage impact speed selection + TEK 1, TEK 2, 'Cam-Out' and Bolt modes to ensure precise fastening and prevent damage to fasteners, 'Cam-out' elimination mode operates at low speed until fastening begins to eliminate 'cam-out' and cross-threading, BOLT MODE with 3 forward and 3 reverse auto stop modes stop impact and rotation to ensure consistent and precise fastening, 2-stage TEK modes reduce impact power during final stages of fastener seatingin thick or thin metal, Quick-change memory mode allows operator to rapidly toggle between two registered settings, Enhanced anvil holder rigidity with ball bearings reduces bit wobbling, Brushless DC motor with high power to weight and size ratio . Names