Designed for cutting concrete, green concrete, brick, concrete block, paver and asphalt.Features 10mm segments with deep segment/ undercut protection for long life and non-binding cutting., For use on portable gas saws and street saws up to 15HP.Each blade features a 1"/20mm knockout bushing.All segments are laser welded for maxium durability and safety.Large diameter diamond blades can be used wet or dry.Type1.