Materials and Appearance: The main body combines silver metal (such as stainless steel or aluminum alloy) with a wooden crossbar. The metal surface is smooth, and the overall feel is sturdy and durable. Structural Design: Symmetrical curved metal supports on both sides are connected by a wooden crossbar in the middle. The supports feature adjustment holes and black knob-type fasteners. Adjustment Function: The multiple sets of holes and knobs on the supports allow for flexible adjustment of the crossbar's position and angle, adapting to different stair sizes or installation scenarios. Application Scenarios: Primarily used during stair construction or renovation as a positioning, leveling, or support tool to ensure precise installation of stair components. Service: If you have any questions, please feel free to contact us, and we will reply within 24 hours!, Manufacturer: ZHJOPP