BLUEROCK 25Z1 Extra Large 2-SPEED CORE DRILL OUR BIGGEST, MOST POWERFUL 25" CAPACITY CONCRETE CORE DRILL WITH LONG STROKE STAND AND ROLLING BASE Specifications: Max Drilling Diameter: 25" (The drill bit pictured is not included in this sale) Rated Voltage: 220V Rated Frequency: 60Hz, Single Pgase Rated Input Power: 5000W Three Speed: 230/370 RPM Gear 1 (230 rpm) for 16"-25" holes, Gear 2 (370 rpm) for 1"-15" holes NEMA L6-30P 250V 3-Prong Twist Lock Plug Structure and Features: Visual LED Load % Indicator with Intelligent controller for overload protection 2-gear rotary speed is designed for drilling different size holes The drill is fitted with an outer regulating safety clutch Integrated water hose/ valve with garden hose spigot threaded end for "wet" drilling 61" Tall Stand with measured inch and centimeter drilling depths visual Horizontal and Vertical bubble levels with corner leveling adjustment bolts on base Dual Speed carriage press with a 1:1 standard and 1:3 fine gear handle pressure options Left or right side compatible quick disconnect press handle Quick Release motor mount for easy installation and transport Rugged quality motor carrying case, with wrench set Anti-locking ring to prevent bit seizing and easier release For concrete, asphalt and masonry drilling. Reinforced concrete with rebar Measurements: Stand: 61" Tall Base Footprint: 19"x14.5" Wide Front motor to back wheels: 36" Maximum possible core bit with extensions total length: 42" Anchor bolt hole: 3/4" Wet Type Concrete 18 Piece Core Bit Set Included: Outside Bit Diameter: 1", 2", 3", 4", 5", 6", 7", 8", 9", 10", 11", 12", 14", 16", 18", 20", 22", and 24" Overall Length: 17" Approximate Inside Barrel Depth: 14.5" Approximate Thread Type: Industry Standard 1 1/4" (Directly fits our BLUEROCK Z1 Core Drills)