You will not have to worry about that with this Marine RC boat. At the size TFL 56” 1420mm genesis stepped hull cat/hull and hardware/ set up for twin meters. The genesis 56” cat is the big cat of our line! With speed reaching up 25 mph, it makes fast and easy turns. It uses a 2.4 GHZ radio which means you don’t have to worry about any interference. The price is also reasonable. Read the full information about here.
TFL Alum. Shaft Coupler 4*4mm 529B65
$8.90
TFL Alum. Shaft Coupler 4*4mm
You can pre-order this item for delivery in 2 weeks.
TFL Alum. Shaft Coupler 4*4mm 529B65
Material : Stainless Steel
Length:24mm
outer diameter:19.2mm
Inner diameter:12mm
More info Visit at: https://tflnorthamerica.com/product-category/hull-hardware-and-props/couplers-gas-and-nitro/