... GL,LR,ABS,BV,CCS,NK certificate. 2.Material: Alloy,Cu,Ni-Al bronze,Mn-Al bronze 3.Ones warranty ... GL,LR,ABS,BV,CCS,NK certificate. 2.Material: Alloy,Cu,Ni-Al bronze,Mn-Al bronze 3.Ones ... warranty.customerizd sizedFixed Pitch PropellerMaterial: Alloy,Cu,Ni-Al bronze,Mn-Al bronzeSize: as the ... the whole set of marine propulsion. Ship Propeller For Sale / Controllable Pitch Propeller