Sharpening stone: Precision manufactured water stone for sharpening delivers stable performance and reliable results. Designed to provide a consistent edge when used as part of regular sharpening routines. Sharpening stone holder base: Adjustable base fits most sinks and accommodates various length whetstones. Ensures a stable, level surface during sharpening to reduce slips and improve control. Sharpening stone holder adjustable: Flexibly adjustable to suit different sink sizes and configurations. Compatible with most sinks for ergonomic use. Adjustable grindstone rack: Made of stainless steel, this rack is durable, waterproof, and rust resistant. Keeps sharpening stones organized and securely positioned during use. Use scenarios: Kitchen knife maintenance: Sharpen chef knives and utility blades in a domestic kitchen with a stable setup that minimizes movement and enhances edge quality. Workshop tool care: Maintain chisels, plane blades, and other woodworking tools with a reliable mounting system that accommodates various stone lengths. Outdoor and garden tools: Sharpen pruning shears, scissors, and small camping blades efficiently, using a versatile rack that fits different sink sizes and stone lengths.