Description Crafted from durable rubber material, this double bass endpin stopper ensures stability and protection for your instrument during performances or practice sessions. Its anti-slip design provides a secure grip on various surfaces, preventing unwanted movement and enhancing your playing experience with reliable support. Features -Color:Black -Material:Rubber -Size:2.30X1.70X1.70cm/0.90X0.67X0.67in -Inner diameter: 6 mm -Upper outer diameter: about 13 mm -Bottomouter diameter:about 15 mm -High elasticity: made from high elasticity rubber material, effectively preventing instrument slippage and enhancing performance stability -Suitable fit: snugly fits the endpin, preventing damage from hard surfaces and protecting your beloved instrument -Portable and easy to install: lightweight and easy to install, suitable for various performance and practice settings, enhancing your playing experience -Excellent shock absorption: remarkable shock absorption, reducing endpin and floor impact noise, creating a purer musical environment -Durable and longlasting: wearresistant and durable, not easily aging or deforming with long term use, providing lasting protection for your double bassPackage list: 10 x cello endpin tips