Features: Used to accurately level and measure all riding lawn mower decks and walk-behind mowers. Measure the cutting height from tip to tip (side to side, front to back). The mower blade cutting height gauge range is 1.5 inches to 5 inches. Measure the cutting height on one side and check the measurement. Then measure the cutting height on the other side and check the measurement. Specifications: Material: ABS Size: 31.8 cm / 12.5 in Package Includes: 1 x Deck Level Ruler Note: Please allow 1-3 cm error due to manual measurement. Ensure you are comfortable with this before purchasing. Due to differences between monitor displays, the image may not reflect the actual color of the item.