REC'S Cap & Ring Hardwood Spacers / These spacers are for REC'S Cap & Ring reel seats - CRN, CRA, CRNS & CRAS ( Two are Nickel Silver & Two are Anodized Aluminum with Nickel Silver Color ). The CRN & CRA take the RE4's / The CRNS & CRAS take the RE5's. You will find those seats under the heading " Reel Seats For Bamboo ".