Z-Athletic Gymnastics Outdoor Exercise Bar Made for outdoor use Boys & girls can practice their routines and skills Round shapped bar rail made of fiberglass covered with synthetic wood material Bar dimensions - 59 wide, up to 70 tall; Bar rail dimensions: 2" diameter; Lower the bar by burying it deeper in the ground Tools/materials needed: Wrench; Prepared concrete mix: 2 bags of 80 lbs concrete mix (amount should be same as installing a mailbox)