VEVOR Diamond Core Drilling Machine, 8in Wet&Dry Concrete Core Drill Rig with Stand, 750RPM Speed & 1-1/4" 5/8" Thread & Lifting Handle, 8in Drilling Diameter for Concrete Brick Block Stone, 2500WProduct Features 8 inch Max Wet & Dry Drilling Adapts up to 8 inch drill bits. Our standup core drilling machine with stand can perform wet and dry two modes drilling, and you can feel assured of accuracy when boring holes in a variety of surfaces with a 8 in 20 cm diameter hole capacity. Attention: a industrial grade 4. 25in core bit is only included. Built for Heavy Duty Concrete Drilling Easy to maneuver in drilling reinforced concrete, red brick,