Make your next sailboat adventure unique and beautiful by picking from a selection of high-quality sailing items Anchor Bushing's 1-1/2" to 1-1/4"D Bronze Propeller Bore Reducer (BB10). There is a stepped-down key included to fit the propeller bushing. These bushings readily and rapidly modify propeller bores to accommodate shafts of lesser diameter. This Anchor propeller bushing reduces a 1.500" propeller's bore diameter to 1.250". This superior product is professionally crafted following exacting industry standards, resulting in a blend of a well-balanced design and a high level of craftsmanship. This product's comprehensive quality assurance is unparalleled. Key Features: Includes a brass stepping key It fits propeller shafts with a typical SAE taper Marine SAE standard Constructed to provide maximum strength and endurance Extensively tested to ensure it will last for years Unmatched quality in its design Specifications: Brand: Anchor Bushing, Inc. SKU: BB10 UPC: BB10 Weight: 0.47 LBS Size: 1 1/2 to 1 1/4" Manufacturer Part Number (MPN): BB10 Material: Bronze Standard marine taper and come with brass step keys.