Keson RRT12 Center-Line Measuring Wheel – Imperial The Keson RRT12 measuring wheel is engineered for control, balance, and accuracy in surveying and construction layout. Its center-line handle design provides a well-balanced feel during operation, while the enhanced pistol-grip handle increases comfort and reduces fatigue over long measurements. Featuring a gear and shaft transmission, this wheel delivers precise readings without belts that stretch or fail. For convenience, the RRT12 includes a handle-trigger brake for instant stopping and a reset option on both the handle and unit housing, eliminating the need to bend over or lift the wheel to reset to zero. The compact fold-down design with a collapsing hinge and handle lock allows for easy storage and transport. Key Features • Center-line handle for balanced, controlled operation • Pistol-grip handle with brake for instant stopping • Gear and shaft transmission for accurate, reliable measurement • Reset on handle and unit housing for convenience and durability • Fold-down design with collapsing hinge and handle lock for compact storage • 12 in diameter, 3 ft circumference for long surface coverage Ideal For Surveyors, contractors, and field professionals who need a durable, accurate measuring wheel with easy reset, compact storage, and smooth operation over large surfaces.