Features: Achieve precise ceiling leveling with our Ceiling Leveling Sleeve, designs to enhances the stability and alignment of ceiling systems for superior construction quality. Crafted from high strength chromes vanadiums steel, this sleeve offers exceptionally durability and corrosion resistance, ensuring long use in various environment. Ideal for professional builders, interior designers, and craft enthusiasts seek efficient and reliable tool for ceiling installations. Perfect for commercial buildings, residential renovations, and exhibition setups, providing a seamlessly and aesthetically great ceiling finish. The hollowout designs reduces weight without compromising strength, making it easy to transport and install while maintaining compatibility with most light steel keels accessories. Specifications: Component: Chromes-Vanadiums Steel Color: Silver Optional Size: 1x17cm/0.39x6.69in(1pc); 1.2x17cm/0.47x6.69in(1pc); 1.3x17cm/0.51x6.69in(1pc); 1.4x17cm/0.55x6.69in(1pc); 1.7x17cm/0.07x6.69in(1pc); 5pcs(10/12/13/14/17mm); 4pcs(10/12/13/14mm) Note: Please allow 1-2cm errors due to manual measurement, please make sure that do not mind before order. Due to the differences between different monitors, the picture may not reflect the actual color Package includes: 1pc or 4pcs or 5pcs Ceiling Leveling Sleeve (optional)