OxGord Stainless Seat Bolt for Harley Davidson - Black Billet Aluminum Hard Anodized Screw CHECK FIRST: Please Check the Existing Thread Type on your Harley Seat Bolt to Confirm that this Product will be Compatible. This Stainless Steel Seat Bolt is for 1/4 inch-20 Thread Type. (Most Common on Harleys) DURABLE: A Corrosion Resistant Stainless Steel Stud, its made from Solid Billet Aluminum and Stage 2 Hard Anodized Chrome to a Hardness of HRC 75 for Optimal Wear Resistance. REPLACEMENT: Designed to Replace the Boring Standard Seat Bolt. INCLUDES: One (1) Seat Bolt with a pre-installed Black Neoprene Washer for a Secure Fit. GUARANTEE: One (1) Year Limited Warranty.