Shimano #RD10302 Eared Washer.  This “eared” drag washer is used in several of the Shimano spinning reels.  Be sure to check the schematics for you reel for the correct part number.  If you need schematics, check out the huge digital selection at www.reelschematics.com.  Need more help or have a question, just send us an email and we will get right back to you!