Rotatable Scribe with Angle Gauge: Built-in 360° rotatable scribe with integrated angle markings lets you transfer complex stair angles directly onto your material. Eliminates guesswork and reduces material waste during layout and cutting. Adjustable Telescopic & Folding Design: Features extendable aluminum alloy arm that adjust to various stair widths and angles. The folding mechanism allows compact storage in the included carrying case-perfect for contractors moving between job sites. Stair Tread Measurement: Engineered with ±0.1mm accuracy and a measuring range of 280-1800mm, this professional-grade tool ensures exact tread-to-riser calculations for staircase construction and renovation projects. Heavy-Duty Aluminium Alloy Construction: Crafted from premium aluminum alloy with anodized red finish for exceptional durability, resistance, and handling. Class 1 grade meets professional woodworking and construction standards. Complete Kit: Comes with telescopic rods, rotatable scribe base, handle nuts, mounting screws, and a portable storage bag. Everything needed for stair layout, tread marking, riser alignment, and decorative trim installation is included in one tool set., Weight: 2.20462262 pounds, Manufacturer: Xnuiasqe