HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Features 8-Inch Max Wet Dry Drilling: Compatible With Drill Bits Up To 8 Inches. Performs Both Wet And Dry Drilling Modes Providing Precision When Creating Holes Up To 8 In / 20 Cm In Diameter. Note: Includes A Single Industrial-Grade 4.25 In Core Bit. Built For Heavy-Duty Concrete Drilling: Designed For Reinforced Concrete Red Brick Marble And Other Tough Materials. Ideal For Professional Use Including Installation Of Air Conditioners Kitchen Pipes Stair Railings Highway Repair And More. Specifications Maximum Drill Diameter: 8 In / 20 Cm Included Core Bit: 4.25 In Industrial-Grade Drilling Modes: Wet Dry Applicable Materials: Concrete Brick Marble Reinforced Materials You Will Receive 1 X Wet Dry Core Drilling Machine With Stand 1 X 4.25 In Industrial-Grade Core Bit