4 inch T-Turbo Segmented Diamond Blade with Pro-Teeth Protection for Aggressive Cutting of Abrasive Materials with 10 mm segment height. This general purpose T-Segment turbo blade has unique designed deep drop segments to allow for abrasion resistance and to protect the blade from undercutting when used on Abrasive Materials, Concrete, Brick, light weight Block, Pavers & Field Stone. Can be used on an Angle Grinder and Circular Saw.