Precision-engineered boomerang nail files featuring a distinctive curved design that conforms naturally to the nail's contour. Each file delivers dual-grit performance with 80/100 specifications, providing aggressive shaping on one side and refined finishing on the reverse. The ergonomic boomerang shape reduces hand fatigue during extended filing sessions while offering superior control and accuracy. Ideal for professional nail technicians and salon environments. Pack of 50 files ensures consistent supply for high-volume applications. Durable construction maintains grit integrity through repeated use.