Triple layer EVA sponge structure combines softness with durability, offering uniform pressure distribution during filing while minimizing damage Achieve salon nails at home or refine intricate craft projects, from smoothing rough edges to creating like finishes on various materials Designed for technicians, enthusiasts, and working with delicate surfaces like carvings or silver jewelry requiring polishing Sided polishing block features 600 grit green side for shaping and grit white side for high gloss finishing, perfect for professional manicures and multi purpose polishing tasks Flexible yet resilient design contours to natural curves and small objects, ensuring controlled polishing angles for detailed art and restoration, Manufacturer: JSGHGDF