The product is a genuine Mitchell 300 301 fishing reel shim, designed for use between the head and housing of a spinning reel. Made in France by the reputable brand Mitchell, this shim is a new old stock (NOS) item with the part number 81024, measuring 0.020 inches in size. Ideal for repairing or maintaining your Mitchell fishing reel, this shim ensures smooth and precise performance while out on the water.