Description Shimano Rod Covers The Shimano rod covers are made from neoprene and are available in 2 sizes in this series. The Spin model suits Spin rods up to 7, and has an elastic look to slip around reel handles and a wider profile to account for large stripper guides. The Baitcast model suits BC Rods up to 6, and has a slimmer profile to suit smaller eyelets.