Product description PROP FITS MERCURY ENGINES AS BELOW LISTED 25hp Bigfoot(4 stroke) The year 1(contact info removed) 30hp Bigfoot(4 stroke) The year 2010-newer 30hp(2&4 stroke) The year 1(contact info removed) 30hp(sea Pro/Marathon) The year 1994-newer 35hp(2 smoke) The year 1(contact info removed) 402&500 Models The year 1(contact info removed) 40hp(2&4 stroke/not bigfoot 2&4 stroke/not bigfoot&Sea Pro/Marathon,the year 1977-newer 45hp The year 1(contact info removed) 48hp(Mariner) all years 50hp(2&4 stroke/not bigfoot) The year 1977-newer 55hp(Mercury/Sea Pro/Marathon The year 1995-newer 60hp 4 stroke,not bigfoot or Sea Pro/Marathon, the year 1978-newer 60hp(2 stroke) The year 1978-newer 70hp(Model 700) The year 1983 Force40/50hp The year 1(contact info removed) 70hp The year 1(contact info removed),1(contact info removed)...................Features & details HIGH STRENGTH:The innovation of aerospace casting technology to marine aluminium propellers is now a reality, boasting hybrid casting of strontium, aluminium and titanium that are far stronger and durable than ever before. Performing 280MPA tensile and 260MPA yield strength which much stronger than traditional die-casting and squeeze casting props. EXTREME ANTI-CORROSION: Props are robotic powder-coated using AkzoNobel patented anti-corrosive coating powder. More important that it is environmentally safe. EXCELLENT PERFORMANCE: Props are designed based on OEM blade geometry, with appropriate cupping and camber added. Excellent bow lift, acceleration and top speed as well reducing slip,increasing bite. QUALITY GURANTEE: Don't be limited by policy. We offer 12 months free replacement guarantee for blades fracture and bush slipping. (Except normal wear, accidental damage, modification, improper installation.) Application: Prop fits Mercury outboard engines 25hp,30HP Bigfoot, 40HP.45HP,48HP,50HP,55HP,60HP. with 13 spline tooth shaft. Prop comes with pressed in rubber bush and spacer as pictures showing. Install the new propeller with exist thrust washer, nut from the old propeller. Product information Item Package Dimensions L x W x H ‎11.81 x 11.65 x 5.98 inches Package Weight ‎2 Kilograms Brand Name ‎POLASTORM Suggested Users ‎Unisex Manufacturer ‎Polaris Propeller Size ‎10 1/2X13 Additional Information ASIN: B07D9KF8CP