diagram of propeller mounted line cutting device

how to mount a line cutting device on a propeller shaft

Piranha Line Cutter slicing through rope

Piranha Dual Line Cutters

$496.88 – $1,834.79

Tested in the rugged fishing grounds off New England and Canadian Maritimes, our Piranha Dual Line Cutters offer superior cutting performance and help protect your boat’s propeller and running gear from catastrophic failure due to entanglement in marine debris.

Easy to Install (10 minutes or less)
Dual Serrated Disc Cutters Offer Twice the Cutting Power
Machined from High Grade Stainless Steel and Hand-sharpened
Available for shaft diameters 1″ to 4 1/2″
Manufactured in the U.S.A.

Download: Product Sheet [PDF]

Ordering Tip: For propeller shafts greater than 3″ in diameter, please contact us to ensure proper clearance with your propeller’s hub. See our specification and sizing chart tab below for more information.

Shaft Diameter Size

SKU: N/A Categories: Line/Rope Cutters, Stern Bearings Tags: line cutter, marine debris, Piranha, rope cutter

Product Details

Product Description

These disc style line cutters feature dual-serrated edges and provide twice the cutting surface area of conventional line cutters offering you redundancy and prolonged life span.

The Piranha line cutter’s split design allows for easy installation with your boat in or out of the water.

Benefits of Piranha Dual Line Cutters:

Easy to Install (10 minutes or less)
Dual Serrated Disc Cutters Offer Twice the Cutting Power
Machined from High Grade Stainless Steel and Hand-sharpened
Available for shaft diameters 1″ to 4 1/2″ (larger sizes available by special order)
Manufactured in the U.S.A.
Custom machining available for tapered shafts and odd sized propeller hubs.

For more information including sizing and installation instructions, please refer to our Specifications | Sizing Chart tab below.

Specifications | Sizing Chart

*Standard Sizing: Diameter and width measurements can vary depending on boat’s propeller (based on forward hub diameter). Please contact us directly to ensure correct fit.