Experience the difference with our stethoscope accessories. The diaphragm design offers enhanced comfort, while the anti-slip ring provides added stability, these replacement parts are designed to improve the overall functionality and reliability 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 is designed to be compatible with stethoscopes, ensuring usability. - diaphragm design enhances user comfort, significantly reducing discomfort. -An antislip ring is to provide additional stability, ensuring that the diaphragm remains securely in place during use. -The diaphragm for professionals, improving the accuracy and precision. -The comprehensive accessory kit includes a variety of diaphragms and antislip ring. Package list: 2 x stethoscope diaphragms (large,small) 1 x gasket