The Diane D974 4-in-1 Shining Block in blue is a four-sided nail finishing block supplied in a bulk 50-pack for high-volume nail services. Each block provides multiple grits to finish nails at different levels from medium coarse to extra fine, supporting shaping, smoothing, refining and final shine steps in a single tool. Suitable for professional manicure and pedicure services, these buffers help standardize workflow across technicians, reduce tool changes between steps, and support consistent nail preparation results in salons, spas and clinics. Read more