5-Piece Trombone Accessory Set: Rubber Tailcap, Slip-on Valve Cap, Damped Keypad, Spare Feet, and Cushion 5-Piece Trombone Accessory Set: Rubber Tailcap, Slip-on Valve Cap, Damped Keypad, Spare Feet, and Cushion Enhance your trombone playing experience with this accessory set. Its ergonomic design makes installation easy and is suitable for a variety of trombones. The slip-on design ensures a secure fit, providing excellent grip and control. The soft-dampened valve reduces key noise for a more pleasant and comfortable playing experience. The rubber feet provide stability and prevent the instrument from slipping or getting damaged. Product Features -Color: Black -Material: Rubber -Dimensions: 1.10 x 1.10 x 0.40 cm / 0.43 x 0.43 x 0.16 inches -Hole Diameter: 4 mm -This accessory set is versatile and ideal for trombone players, offering ease of use. -This trombone accessory set is quick and easy to install, allowing players to install it effortlessly. -With excellent grip and control, this accessory set enhances the player's ability to hold and manipulate the trombone, thereby improving their playing level. -By reducing key noise, this accessory set provides trombone players with a smoother playing experience, making transitions between pieces more natural and fluid. Notes: -To ensure stability and protect the trombone from damage, this accessory set includes rubber feet that provide support and prevent the instrument from slipping during playing. 5 x Long rubber feet