Upgrade your installation with our Jack Plate Stainless Mounting Hardware, specifically designed for both manual and electric jack plates. This durable hardware ensures a secure and reliable connection for your outboard motor setup. Kit Includes: (4) 1/2" x 3 1/2" Mounting Bolts: High-strength .316 stainless steel bolts designed for maximum durability. (4) Lock Washers: Prevent loosening over time, ensuring your jack plate remains securely fastened. (8) Flat Washers: Provide additional support and distribute load evenly for a sturdy installation.