This Garryson GarryflexAbrasive Block in Extra Coarse grade (36G) is the most aggressive option in the range, designed for heavy-duty material removal on metals and ceramics. The extra coarse grit makes it perfect for tackling stubborn rust, heavy corrosion, weld cleaning, and rapid stock removal. Made from resilient rubber filled evenly throughout with hard abrasive grit, this block delivers consistent, powerful performance throughout its lifespan. The extra coarse grade is ideal for initial surface preparation work and situations where significant material needs to be removed quickly. Use this block instead of traditional emery cloth, wet and dry paper, or wire wool for demanding applications. The rubber construction provides durability whilst allowing the block to conform to various surface profiles. Features and Benefits:Extra coarse 36G grit for heavy-duty material removalPerfect for weld cleaning and stubborn rust removalResilient rubber construction filled throughout