Features 1.APPLICABLE MODELS: Nab HUB adapter spacer for reel to reel tape recorders easily meets your usage needs. 2.REEL ADJUSTING DISC: Place disc under reel to compensate for warped or different thickness reels, which is very convenient. 3.SILICONE MATERIAL: Nab HUB adapter spacer is made of silicone material, soft and comfortable, easy to clean and long life. 4.HIGH TEMPERATURE RESISTANT: Nab HUB adapter spacer is high temperature resistant with high thermal conductivity and electrical insulation. 5.EASY TO INSTALL AND REMOVE: NAB adapter spacer is small and lightweight, easy to install and remove, easier to use. specificationItem Type: Nab HUB Adapter Spacer Material: Silicone Color: Black Suitable For Reel To Reel Tape Recorders PackageList2 x NabHUBAdapterSpacer NotePlease allow some error due to manual measurement.