USA 10 INCH CLEAR LUBE OIL SEAL KIT 2 X Nitrile Seal for Oil bath applications or Grease 2 X Clear Lube Dust Cap, Alloy housing with clear polycarbonate screw on cap with fill plug hole Fits most USA 1.71 inch axle seal shaftsRecommended with either 85w/140 gear oil or Mercury Marine HP gear oil. ( Seal must not be fitted to worn or damaged shafts ,recommended for new seal shaft or after new speedi sleeve replacment )