The Extra Hard MicroteQ teeth are manufactured by Bosch in-house from extra strong carbide grit for long durability. The ProteQtion protective coating prevents corrosion and reduces friction. The bore works with or without reduction rings for different sizes. The Expert for Wood circular saw blade offers long life with high cutting performance in wood. Depending on the number of teeth, different results can be achieved with all Expert for Wood circular saw blades that have ATB (alternate tooth) tooth geometry: with a high number of teeth, the blade makes clean cuts.