Martyr 1″ Narrow Zinc CollarMTR CMC03

Martyr Zinc Limited Clearance Shaft Anodes – Often referred to as the “doughnut” anode.
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: