Stainless steel frame built with professional-grade technology for durability and reliable, long-lasting performance. Includes an adjustable sharpening stone holder to secure stones of varying lengths. Set with an adjustable bolt design to meet different requirements, suitable for family restaurants and other kitchen settings; securely holds kitchen sharpening stones. Sharpening stones holder features an adjustable design that fits stones of different lengths, enabling effective home knife sharpening. Also functions as a versatile sharpening stone stand. Sharpening stand uses a butterfly nut design for easy installation, with adjustable spacing to set the stone position quickly and precisely. Use scenarios: - Home kitchen: sharpen knives of different sizes using stones of varying lengths, with quick stone changes and stable support. - Family restaurant or cafe: organize and switch between multiple sharpening stones to maintain consistent knife sharpness for staff. - Workshop or kitchen prep area: set up multiple stones and maintain precise alignment for regular maintenance and edge refinement.