MM-30T model - The Commercial Choice, a money saving workhorse is the best way to describe the MM-30. For longer indoor measuring needs and mid-range outdoor applications the MM-30 shines. Real estate, road finishing, law enforcement, general construction and fencing needs are easily handled by this wheel. The standards for flexibility and durability are set by the MM-30 Series, primary uses: real estate appraising, accident / crime scene, home / yard measurements, paved roadwork, fencing, specifications: handle type - lift-and-lock, collapsed dimensions - 22 1/4", extended dimensions - 44 ", shipping weights - 8 lbs