Our stethoscope replacement parts are crafted to meet the performance. The diaphragm design ensures a comfortable fit, while the anti-slip ring provides stability during use, these accessories are perfect for enhancing the functionality of your stethoscope.Features-Color:Black-Material:PE-Size:4.50X4.50X0.10cm/1.77X1.77X0.04in-Size:3.50X3.50X0.10cm/1.38X1.38X0.04in-This versatile accessory set is designed to be compatible with stethoscopes, making it a practical choice for professionals.- diaphragm design prioritizes user comfort during use.-Equipped with an antislip ring, this accessory ensures that the diaphragm remains securely in place, providing enhanced stability.-Featuring diaphragm, this kit allows for precise use, greatly improving accuracy.-The comprehensive kit includes various diaphragms and antislip rings, catering to different stethoscope models for maximum versatility.Package list: 2 x stethoscope diaphragms (large,small)1 x gasket