... Thread:R22,R25,R28,R32 R38,T38,T45,T51 Type:full-bridge,semi-bridge,same diameter etc. A lot of types: Coupling sleeves ... R32 ,R22,R25,R28,R38,T38,T45,T51full-brigge,semi-bridge,same diameter,adapter coupling, Coupling Sleeve TypesandvickSpecification(Length)No.R38 ...