Using our bass endpin protectors is simple and straightforward. Just place the protector under the endpin of your bass, and it will securely hold the instrument in place. The non-slip rubber allows that your bass remains steady, allowing you to focus on your performance without worrying about your instrument slipping or moving. Features -Color:Black -Material:Rubber -Size:2.70X2.00X2.00cm/1.06X0.79X0.79in -High durability: these bass endpin protectors are made with rubber materials, allowing they remain in excellent condition over time -Stable support: specifically designed for double bass, these cello end pin stoppers provide reliable support, making playing more comfortable and stable -Effortless installation: the cello endpin anchor stoppers are easy to install and remove, making them convenient for transport and storage -Nonslip feature: the rubber base prevents the instrument from slipping, allowing stability during performances -Versatile application: these instrument end protectors are suitable for various playing needs, making them an essential accessory for double bass players Package list: x cello replacement endpin tips