A quick, easy, safe clamp for holding pipe in Vee Head Jack Stand. Threads permit positive gripping of pipe to vee head.  Grips pipe 3/4" o 6" pipe or 1" - 6-1/2" tubing.  Rugged steel frame for years of use.  Perfect for securing pipe layout work.  Please note:  Hold-E is a clamping device and should not be used for threading or lifting.