Agatec 1-16268 Heavy Duty Wood 5/8x11 Flat Head Tripod with Dual Locking Clamps 5/8X11 standard mounting threads for compatibility with numerous instrument brands Double banded extension legs provide for added jobsite stability International orange hardware provides job site visibility Quick release clamps lock fast and wing nut twist clamps prevent legs from slipping. Tripods extends 45-Inch to 75-Inch for optimal jobsite instrument heights.