Get accurate vertical jump measurements to the nearest 1/2". Open design allows jumps from 1 or 2 feet and facilitates dynamic approaches. Reset pole lets you adjust height of vanes to measure jumps from 6' to 12'. Swings away from wall 15" in testing position and lays flat for storage against wall. Bracket easily attaches to masonry or wood (hardware not included). Steel frame construction with rigid high-impact vanes. Assembly required. Additional shipping charges will apply.