Bosch Aluminum Heavy Duty Elevator Quick Clamp Tripod BT300 EXTENDABLE: The Bosch BT300 provides extendable height adjustments so the user can expand tripod from 47 inches to 110 inches for different height applications ADJUSTABLE: The tripod features a steady adjustable base that swivels, adjusts, and tightens product for steady measurement applications. PORTABLE: The Bosch BT300 is portable and lightweight with collapsible legs. At only 16 lbs. the tripod is easy to store and transport. STABILITY: The Bosch BT300 tripod provides an adjustment system that tightens the tripod for increased stability at the users desired height. VERSATILE: With a 5/8-Inch to 11 thread stud, the Bosch BT300 is universal with a string hook for plumb bobs as well.