Four stage elastic sponge sanding block combine industrial grade diamonds and ergonomic design for fatigue in edges detailing and surfaces polishing Premium metal embedded hand polishing pad with 60 # / 100 # / 200 # / 400 # grit options deliver efficient grinding on marble, and ceramics.Color random Essential for stone fabricators and enthusiasts requiring professional control over curved surfaces and intricate component shaping Complete your toolkit with this multiple grit metal sanding pad –ensure seamless progression from coarse component removal to smooth polishing stage Perfect for burrs, refining glass edges in craft projects, and restoring countertop surfaces during home renovations or workshop fabrication, Manufacturer: ERRORY