Here are 6 assorted knobs for clock radios. These plastic knobs were used in various clock radios from the 40's thru the 1960's. Each knob is in perfect condition, no scratches, no cracks. Since these knobs are no longer manufactured, they are perfect for collectors who need knobs for their radios. I was able to obtain these knobs from a retired owner of a local electronics store. Nice items for those who need them. Thanks for looking.