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DESCRIPTION

Reinforce your boat's thru-hull hardware with the GROCO Backing Block for 1-1/4 inch and 1-1/2 inch seacocks. This high-strength mounting plate provides a stable and professional foundation for large valves, ensuring a watertight and secure fit that protects your boat's hull from mechanical stress and potential failure.

FEATURES

  • Reinforces hull for secure seacock mounting.
  • Compatible with 1-1/4" and 1-1/2" seacocks.
  • Constructed from durable marine-grade polymer.
  • Distributes load evenly, preventing hull stress.

TECHNICAL INFORMATION


DescriptionImperialMetric
Overall Length7 ft213.4 cm
PowerMedium HeavyMedium Heavy
ActionFastFast
Pieces11
Size4 in101.6 mm