- Constructed from high-quality, thick wood panels and compatible with plasterboard, metal, and other materials, ensuring durability and functionality for various projects. - Adjustable opening diameter ranging from 40mm to 250mm, versatile enough to meet diverse installation needs. - Designed for sheet thickness of less than 30mm (1.18 inches), providing seamless integration into a variety of applications. - The adjustable hole position feature enhances convenience, allowing for precise placement and easy use in different scenarios. Practical Applications: 1. Install HVAC vents quickly and efficiently, accommodating various duct sizes with ease. 2. Create openings for electrical outlets or switches, enhancing home or office renovations while maintaining a clean finish. 3. Utilize in woodworking projects, allowing for precise cuts in thick materials without compromising structural integrity.