Meet PortGrip™

The Multi-Size Boat Access Port Handle

Get a Handle on It.

PortGrip™ is a durable, multi-size boat access port handle designed to make opening stubborn access ports quick, easy, and damage-free. It fits the most common 4″, 6″, and 8″ boat access ports and gives you a secure grip without resorting to screwdrivers, pliers, or other improvised tools.

PortGrip™ is the first Grandfather Knowledge Original—created to solve a real problem with a simple, practical solution.

Every product begins with a real-world problem. Grandfather Knowledge creates practical tools and solutions designed by someone who has spent a lifetime building, repairing, inspecting, and solving problems.

Meet PortGrip™

The Multi-Size Boat Access Port Handle

Get a Handle on It.

Open stubborn boat access ports quickly, easily, and without damaging the lid.

PortGrip™ fits the most common 4″, 6″, and 8″ boat access ports, giving you a comfortable grip without resorting to screwdrivers, pliers, or other improvised tools.

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