... Sleeve No.NameMaterialDimension Spec.Finish treatment1ShaftGate Number(Steel,Aluminum or other material)OD,Length,Roughness,Concentric,or other requiremntZinc plating,Oxide,Anodize ... or other finish treatment2Bushing,SleeveGate Number(Steel,Aluminum or other material)OD,ID,Length,Roughness,Concentric,or other requiremntZinc plating,Oxide,Anodize ...