T-H Marine Prop Master Propeller WrenchClick to enlarge
T-H Marine Supplies

T-H Marine Prop Master Propeller Wrench

Manufacturer: T-H Marine SuppliesPart #: PMW-1-DPSKU: 81721

  • Nylon
$29.99● In stock

Add $69.01 more to qualify for free shipping.

Item #: 81721

Category: Tools

1

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Description

Prop Master Propeller Wrench The Prop Master™ is the original molded propeller wrench. This 1-1/16" six point socket style prop wrench is made of high tensile strength, indestructible nylon.

It is totally resistant to fuel, sun, salt water, and other chemicals. The Prop Master™ is less expensive than metal wrenches which rattle and can cause damage to your boat.

However, it has plenty of brawn to get the job done. The Prop Master™ will tighten all 1 1/16" propeller nuts without slipping or stripping.

(OMC, Johnson and Evinrude, - over 40 HP, Mercury - over 50 HP) High visibility color makes it easy to locate in dark boat compartments. The Prop Master™ also has a 9/16" garboard drain plug socket on the reverse side.

Will not corrode in the salt water environment. Features: Fits All 1-1/16” Prop Nuts (40hp & up) Rugged Nylon Resists Stripping 9/16” Garboard Drain Socket on Back Non-Corrosive in Salt Environment High Visibility Yellow makes wrench easy to find

California Prop 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Specifications

BrandT-H Marine Supplies
Part NumberPMW-1-DP
EverTide SKU81721
UPC733572020007
MaterialNylon

Specifications are provided by the manufacturer. Confirm fitment for your application before ordering, or contact us and we'll help.

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Returns & warranty

Returns are accepted within 30 dayson items that are unused and in their original packaging. Some items may be subject to a manufacturer restocking fee. Special-order items may not be eligible — if you're unsure, ask us before ordering.

T-H Marine Supplies productscarry the manufacturer's standard warranty. For a warranty claim or a return authorization, see our full returns policy or contact us.

Boat Outfitting — frequently asked

What material should marine hardware be made of?
For most exposed hardware, 316 stainless steel is the marine standard — it resists salt corrosion far better than 304 stainless or plated steel. Marine-grade aluminum, UV-stabilized nylon, and King StarBoard are also common for non-structural fittings.
How do I know a replacement seat or hatch will fit?
Measure the mounting pattern (bolt spacing), the cutout or base dimensions, and any post diameter or height on the part you’re replacing. Match those to the new part’s specs — outfitting parts follow common sizes but are not universal, so confirming dimensions avoids returns.
Do I need backing plates for deck hardware?
For anything that takes load — grab rails, cleats, ladder steps, seat pedestals — yes. A backing plate spreads the load across a larger area of the deck or transom so fasteners don’t pull through under stress.

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