BLUEROCK 8Z1 TEL Telescoping Stand Concrete Core Drill Telescoping Stand Specifications and Features: Telescoping Stand MUST be mounted between two solid walls or between floor and ceiling Min 68.75" (5 8") Max 111.25" (9 3") Adjustable angle swiveling motor mount can drill in virtually any direction Adjustable black collar sleeve with quick release leavers, allows you to position your drill on almost any part of the stand. 20" drill stroke / motor travel The telescoping stand is a valuable and time saving tool allowing you to wedge your drill stand between two opposing concrete surfaces. This allows you to not have to bolt your stand into a vertical wall or ceiling which is how core drilling is traditionally done. Possible applications: corridors, stairways, foundations, handrails, pools, basements and indoor spaces. Motor Specifications and Features: Max Drilling Diameter: 8" Rated Voltage: 110V Rated Frequency: 50-60Hz Rated Input Power: 2400W Speed: 750 RPM Water Spigot for use with Standard Garden Hoses These drills use the standard 1-1/4" threads used by most concrete core drills. They are designed to drill through reinforced concrete masonry, assorted brick and block as well as other types of rock. If you have any questions, please feel free to contact us. Thanks for the interest. DRILL BIT PICTURED IS NOT INCLUDED IN THIS PURCHASE