Ensure your violin's chinrest is always securely attached with these practical screws. Designed for 3/4 and 4/4 violins, the black metal screws offer a sleek and practical solution for maintaining your instrument. Whether you're a musician or a student, these screws provide the stability and adjustability needed for optimal performance. Features -Color:Black -Material:Metal -Size:4.00X1.55X1.30cm/1.57X0.61X0.51in -Easy screw replacement: the unique design with forward and makes replacing the chinrest screws a simple task, even for nonprofessionals. -Secure and stable: these screws ensure the chinrest is securely attached, providing stability and preventing any movement during performances. - durability: made from practical materials, these screws are built to withstand regular use and maintain their performance over time. -Enhanced playing experience: the secure fit of the chinrest screws improves the player's comfort and overall playing experience, making practice and performance more enjoyable. -Broad application: suitable for both 3/4 and 4/4 violins, these screws are suitable for various playing scenarios, from practice sessions to professional performances. Package list: 2 x violin chinrest screws