Protect your marine investment with the Tecnoseal X22 Shaft Anode. Designed for a 6-1/2 inch shaft diameter, this zinc anode effectively combats corrosion, ensuring the longevity of your boat's propulsion system. Its durable construction provides reliable performance in both freshwater and saltwater environments. Easy to install, the X22 is a must-have for boat owners looking to maintain optimal efficiency and protect against electrolysis. Keep your vessel in top shape and enjoy peace of mind on the water with this essential accessory!