SAIT 125mm Semi Flex Sanding Disc engineered for aggressive material removal on stone, metal, and concrete surfaces. The 36 grit silicon carbide abrasive delivers heavy-duty performance, while the semi-flex design conforms to curved and uneven surfaces for consistent contact and faster stock removal. Ideal for grinding, shaping, and initial surface preparation work. Compatible with standard 125mm angle grinders. Durable construction withstands demanding professional applications.