Sleeves GS1F are used, EFG4K, EFG5K and EFG6K for hoses.Sleeves GSP1F-4 are used for hose EFG3K (sizes 24 and 32) andsleeve GSP1F-2 is used for 1 and 2 cross tissue hoses (sizes 24 and 32)Hoses do not need a shell.