Flex BHW 812 VV Wet Core Drilling Machine (110/240 Volt). The wet version of this handy machine is designed for drilling concrete (without hammer action) for distributor boxes, fireplace connections, junction boxes and conduits. Also ideally suited for precision drilling when securing heavy load anchors. FLEX Five Fold VV Electronic Control: Consistent speed control, soft start with acceleration trigger, overload protection, temperature monitoring and speed pre-selection. Two Gear Transmission: For speed-compatible working. Additional Handle: Rotating auxiliary handle with stops to prevent turning. Safety Clutch: Offers protection if the core drill is jammed. Depth Limit Gauge: For precision drilling. Drill Bit Adapter: G ½ (internal). Clamping Neck: 53mm, suitable for application in drilling stands. Water Supply: Integrated, water collection ring available as accessory. GFCI Operator Protector Circuit Breaker: Integrated in cord. Quality Shut Off Carbon Brushes: Protects the motor against damage. Speed Under Load 1st Gear. Speed Under Load 2nd Gear. Drilling Ø Free Hand.