Professional 4B eraser ensures precisely erasing for exams and detailed work, featuring triangular designs for easy control. Engineered with triangular shape and ergonomic grip, this smudgeproof art eraser offer comfortable grip and reduces hand fatigue during prolonged writing or sketching. Specifically for student, office workers, and professional artists requiring professional art eraser in standardized test, technical drawings, or daily documentation tasks. Widely used for exam answer sheets, sketchpads, and office documents where cleanly corrections is required. Package includes: 2Pieces Triangular Erasers