• High-quality rubber stopper, robust and durable, non-slip and wear-resistant. • Polishing process for a smooth and delicate surface, comfortable to the touch. • Increases the friction of the cello endpin, preventing slips during performance. • Protects the endpin and the bottom of the cello from scratches. • The set includes 5 endpin Cello End pins, 6 mm inner diameter, universal size. • Easy to use, suitable for professional cellists or enthusiasts. • An indispensable tool due to its small size, light weight, and portability.