The MS7201QRB's 7lb. sand-cast base is sturdy enough for road abuse yet light enough to carry. This variation of an industry standard features a patented spring-loaded clutch trigger for fast two-handed operation.• Height Adj.: 34-62"• Base Diameter: 10"• Weight: 7 lbs• Spring-loaded squeeze trigger clutch• 5/8"- 27 solid threaded upper shaft w/ locking washer