High quality materials: Our base adjustment screw is made of high quality ABS plastic. It will not damage the floor and generates no noise during use. Threads are durable stainless steel with M8 sizing. The posts are electroplated to prevent rust and ensure long-term use. Adjustable angle and height: Our furniture jack legs feature a ball joint base that allows tilting to maintain balance on uneven surfaces, and the height can be adjusted as needed. Anti-noise and floor protection: Sturdy adjustable furniture feet reduce friction, helping to protect floors from scratches and minimize noise during movement. High load-bearing capacity: Each adjusting screw can support up to 300 kg, making it suitable for heavy furniture or equipment while preventing floor damage. Versatile use: Adjustable furniture screws are compatible with various steel furniture including tables, stools, chairs, machinery, fitness equipment, brackets, TV cabinets, shelves, and beach chairs. Ideal for DIY applications. Adjust the height of the base as needed and level all feet evenly. Features: - Designed to stabilize furniture or machinery - Adjustable to any angle and height for stability on uneven ground - Supports up to 300 kg per screw - Reduces noise and protects flooring - Suitable for a wide range of steel furniture and equipment Product Information: Name: Uni-Fine Adjustment Screw Material: Steel Color: Black Base Diameter: 40 mm Height: 50 mm Package Includes: 4 x Adjusting Screws Note: Measurements are manually taken; slight variations may occur. Due to lighting and screen differences, actual color may vary slightly. Item received may differ slightly from image shown.