Includes four of each: Convertible Knobs, 1-1/2'' MightyBolts, Track Nuts, 1-1/4'' Socket Head Cap Screws. All standard 1/4-20 thread.Compatible with YakAttack MightyMounts, GearTrac, and most other kayak track systems from Scotty Fishing Products, RAM Mounts, and YakGear. For FeelFree Kayaks, 3 Water Kayaks, and Jonny Boats you will need an adapter to be compatible.YakAttack offers the needed adapter in a single pack (AAP-1012) and a six pack (AAP-1012-6).

More Info

• 4 Stainless Steel MightyBolts
• 4 Convertible Knobs
• 4 Track Nuts
• 4 Socket Head Cap Screws
• All Standard 1/4-20 Thread
• Patent Pending
• Made in the USA
• Covered byYakAttack's Built for Life Guarantee
• SKU: HRC-1004