Due to the weight this is an instore only purchase.

Martyr 3" Dia. Zinc Shaft Anode with Allen Screw
Martyr part no. CMX13
SKU: CM4-300

Product Information

• Martyr - 4 Bolt Imperial Shaft Anode Zinc
• Easy installation underwater
• Bolt retaining washers prevent the anode from falling off
• Full shaft contact: 100% circular radius
• Interlocking halves
• Extra alloy around fastener
• Product Information:
• For use in salt water
• Alloy is manufactured to exceed or meet US Military Specification MIL-DTL 18001L
• Tried and tested genuine zinc product
• Manufactured by the same manufacturer as the genuine OEM

Specifications

• Part Number: CM4-300 (CMX13) 
• Shaft Dia: 3" Dia. (76 mm)
• Anode Type: Barrel Collar Shaft
• Material: Zinc
• Height: 3.625" (92.07 mm)
• Outer Diameter: 4.8" (121.9 mm)
• Weight: 6.54 lb (2.97 kg)
• Note: Do not paint anodes