Features: 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. Enhances durability while the included protective paper casing prevents breakage and keeps your office desk organized with this essential desk accessory. Specifications: Component: Rubber Color: White, Black, Black And White Size: Approx. 5x1.6x1.5cm/1.97x0.63x0.59in Weight: Approx. 40g Package Includes: 2Pieces Triangular Erasers note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color