Specifications Material Aluminum Alloy ABS Weight 797g Folded Length 580mm Maximum Length 1640mm Main Scale Thickness 12mm Edge Scale Thickness 6mm Features 1 Versatile Measurement Tool This Stair Tread Gauge is designed for precise measurements in stair installations ensuring an accurate fit every time Its extendable range covers most stair widths making it a versatile addition to your tool kit 2 High Quality Construction Crafted from premium aluminum alloy and ABS plastic this tool offers excellent build quality The robust materials ensure a long lasting product that can withstand the demands of various construction environments 3 Easy to Use Design Featuring a straightforward sliding mechanism this gauge allows for quick adjustments The intuitive design makes it simple to set and lock measurements streamlining your workflow and saving time on the job 4 Precise Calibration The gauge includes finely marked measurement increments for precise calibration The detailed markings on the scale provide accurate readings eliminating guesswork and ensuring professional results 5 Compact and Portable Despite its full extended length of 1640mm the gauge folds down to a compact 580mm making it easy to transport and store Its lightweight design at just 797g ensures that it is portable without compromising on functionality Package Included 1 x Stair Tread Gauge