Martyr Zinc Limited Clearance Shaft Anodes - Imperial.Often referred to as the "doughnut" anode.
Features:
Specification:
Features:
- Nine shaft diameter size options.
- Bolt retaining washers prevent the anode from falling off allowing for easy installation underwater.
- Allen head with lock washer & bolt retaining washer
- Full shaft contact: 100% circular radius
- Interlocking halves
- Extra alloy around the fastener
Specification:
- ID: 1.00" (31.75 mm)
- OD: 2.7" (68.58 mm)
- H: 1.25" (31.75 mm)