Good kitchen knives require a good surface. If the surface is harder than your knife, the knife will be damaged. Global's large wooden cutting boards are made of silver oak, which is a gentle material that is excellent for cutting boards. The model has a number of smart features: a measuring scale for quick and even measurement, continuous bolts to adjust the board with, friction cloth to prevent it from slipping, and oil to treat the wood with. The board is available in three sturdy sizes.