Precise Height Adjustment: Allows accurate door panel height to meet your specific installation requirements, ensuring proper alignment and smooth operation. Quick Installation System: Designed for fast, hassle assembly without the need for complex tools, reducing setup time and increasing efficiency on the job. Sturdy Aluminum Alloy Construction: Built from durable aluminum alloy for exceptional strength and longlasting reliability, even with frequent use. Compact and Portable: Lightweight design makes it easy to carry and transport between work sites, ideal for both professional and home use. Applications: 1. for carpenters or installers adjusting door panels in residential or commercial buildings during construction or remodeling. 2. Ideal for maintenance professionals replacing or realigning doors in offices, rental properties, or hospitality environments. 3. Suitable for DIY enthusiasts completing home improvement projects that require precise door fitting and alignment. Specifications: Material: strength aluminum alloy Function: Height adjustment of door panels Performance: Reliable in repeated adjustments without loss of accuracy Compatibility: Suitable for a wide range of door types and installation settings This product combines accuracy, durability, and portability, providing a dependable solution for efficient door panel adjustment in multiple scenarios.