Package Contents: A 45 RPM adapter Sturdy material: The 45 RPM adapter is made of quality acrylic, increasing the contact between the record and the vinyl player, improving sound quality and reducing resonance and vibration Easy to Use: This 45 RPM solid aluminium adapter has a lightweight, portable design and is easy to place on your player for use Scope of application: This product can work well on any turntable, suitable for families and professional DJ, has excellent stability and durability, can play 7 inch records quickly and easily Gift for a friend: This adapter is beautifully made and sturdy, you can give it as a gift to your music-loving friends Package Information: Product size is 7mm/0.28inch,diameter is about 38mm/1.5inch,thickness is about 10mm/0.39 inch