For most Crosley record players and CR248 CD Recorders manufactured before Mar. 07. Not for use with Stack-O-Matics, CD Recorders manufactured after Mar. 07 or CR249.Crolsey offers state-of-the art Diamond-stylus replacement needles, made of high-grade ABS plastic composites. Even better than the original - each needle provides thousands of rotations for extended playing time. NOT for Stack-O-Matics. Special Note: The CK-1 Cleaning Kit and the NP-1 or NP-3 Replacement Needle are not for use with the Stack-O-Matics. A special needle to fit the Stack-O-Matics is available as part number NS-1.Specifications:Diamond-stylus Needle ABS Plastic CompositionUL Listed 90 Day Limited WarrantyDimensions 0.5"w X 0.75"h X 0.12"d