Features 1.Wide Compatibility: The NAB adapter spacers are specifically designed to pair the XLR connector with the NAB BNC connector for seamless compatibility between these two different connector types. 2.Easy To Install: These spacers are very easy to use. Simply place the spacers between the XLR connector and the NAB BNC connector to fill the space between them. This ensures a more secure connection and prevents instability during insertion and removal. 3.Application: Place the reel adjusting disc under the reel to compensate for warped or varying reel thicknesses. Suitable for all models of reel to reel tape recorders. 4.Enhance Signal Transmission: Reel adjusting disc spacers help to improve the quality of signal transmission. Signal interference and distortion are reduced for clearer, more accurate sound or video signal transmission. 5.Durable Material: These reel adjusting discs are made of durable silicone material that provides a degree of elasticity and shock resistance to ensure a strong connection between connectors. specificationItem Type: Reel Adjusting Disc Material: Silicone Color: Black Suitable: Reel to Reel Tape Recorders PackageList2 x ReelAdjustingDisc NoteManual measurement, please allow some errors.