- KUM AZ4060026-B ergonomic pencil grip designed for comfortable and healthy writing - Developed together with Dr. Johanna Barbara Sattler to promote the correct finger position - Compatible with all standard pen and brush sizes - Patented pressure feedback system that cushions excessive pressure and prevents fatigue - Rolled edge prevents finger crossing, improving ergonomics - Soft, elastic, non-slip, and free of toxic substances material, avoiding allergic stress - Includes 3 blue units, suitable for right-handed and left-handed users, ideal for students and professionals