Why should you have your propeller polished? It is one method for creating a smoother surface that prevents marine life from clinging to the propeller. The 2 X 132 220 GRIT BELT (10/Pack) (312220-PK) is a Superflex belt from Klingspor known for its high material quality for polishing bronze and stainless steel propellers. They cut for longer than most abrasive minerals due to their hi-performance grit, and a J-weight backing that is incredibly flexible helps prevent chatter and gouging. Key Features: It is perfect and excellent for polishing bronze and stainless steel props. They cut for longer with high-performance grit than with most abrasive minerals. The J-weight backing is incredibly versatile, which helps to prevent chatter and gouging. Original factory-made Klingspor Abrasives product High quality, durable and reliable Each package contains ten (10) excellent quality grit belts. Specification: SKU: 312220-PK UPC: 312220F02013204 Weight: 0.63 LBS Quantity/Pkg.: 10 Size: 2" x 132" Grade or Grit: 220 Brand: Klingspor Abrasives Condition: Brand New