(20 Pack) Black Plastic 45 RPM 7 Inch Vinyl Record Adaptor - 7" Inserts Allows 45 rpm records to play on a standard 33-1/3 rpm turntable spindle. Manufactured using one of the original dies for making the classic plastic inserts for 45 R.P.M. seven inch vinyl records. Fun and functional, the non-slip design is a perfect fit for large hole, or dinked, 7 inch records. Made from black plastic. Perfect fit. Non-slip. Snaps right in! Nostalgia at its finest!