Martyr Limited Clearance Sacrificial Shaft Donut Collar Anode

Features:

• Zinc Alloy Anodes like these are intended for salt water only
• Anodes must be replaced when they are 70% eroded
• Martyr (Martyr Pacific Limited) only uses mil-spec mil-a-l800l alloy in all of their premium marine anodes
• This alloy helps the anode erode inward giving the anode a sandblasted appearance
• Martyr uses a special steel combination fastener that makes it possible to use their Ball drive, which is a hex driver with a universal ball tip (Ball-drive is Sold Separately)

Specifications:

• Inner Diameter: 3/4" & 7/8"
  • Height: 1" (25.4 mm)
  • Outter Diameter: 2 3/8" (60 mm)
• Inner Diameter: 1", 1 1/8" & 1 1/4"
  • Height: 1 1/4" (32 mm)
  • Outter Diameter: 2 11/16"
• Inner Diameter: 1 3/8" & 1 1/2"
  • Height: 1 1/4" (32 mm)
  • Outter Diameter: 3 3/16" (81 mm)
• Inner Diameter: 1 3/4", 2" & 2 1/2"
  • Height: 1 3/8" (35 mm)
  • Outter Diameter: 3 11/16" (94 mm)

Anode Selection Guide