The Duff MGD34 zinc shaft anode provides durable sacrificial protection for propeller shafts on high-speed vessels, with stainless fixings and a captive nut assembly for a secure fit.

• New captive nut assembly with stainless socket-head fixings
• Tried and tested core bar design
• Outer Diameter: 54 mm (2 1/8 in)
• Shaft Diameter: 19 mm (3/4 in)
• Material: zinc for effective corrosion protection
• Designed for high shaft speeds and continuous use

Fits common metric and imperial shaft sizes for a direct replacement; install using the supplied stainless fastenings for best longevity.