Maximize the reliability and durability of your inboard boat shaft system with this premium Marine Grade Shaft Nut Set Kit, designed for shafts ranging from 1" to 1-1/8". Whether you're performing routine maintenance or replacing worn components, this kit provides all the essential hardware for a secure, long-lasting fit. Crafted from marine-grade brass and stainless steel, these components resist corrosion and wear, ensuring lasting performance in both saltwater and freshwater environments. Ideal for boat owners seeking high-quality, easy-to-install shaft hardware, this kit offers a practical solution to keep your propulsion system operating smoothly. What's Included: (1) 3/4"-10 Marine Grade Brass Heavy Nut (1) 3/4"-10 Marine Grade Brass Jam Nut (1) 1/4" Marine Grade Brass Key (1) 1/8" Stainless Steel Cotter Pin NOTE: Key may require fitting to shaft. Why Choose This Shaft Nut Set? This kit is engineered for durability and ease of use, providing marine-grade materials tailored to 1" to 1-1/8" inboard shafts. It's perfect for DIY repairs or professional maintenance, offering peace of mind in harsh marine conditions. Perfect For: Inboard boats with 1" to 1-1/8" shafting Saltwater and freshwater boating environments Boat owners needing corrosion-resistant, reliable hardware ⚠️ TIP: Buy 2 sets — having a spare can save time and hassle!