4pcs Advanced Sinus Elevation Kit is a specialized set of dental tools designed for sinus lift procedures, which is a surgical technique used in implant dentistry to increase the amount of bone available for implant placement in the upper jaw. The kit includes carefully crafted instruments for elevating the sinus membrane safely and effectively, allowing for the placement of bone graft material to support dental implants. These tools are made of high-quality materials and are designed for precision and ease of use by dental professionals.