Safety Coupler Locking Pin 5/16" for Boat Yacht – Marine City Hardware

Fast, Free Delivery through Buy with Prime. SHOP NOW

Safety Coupler Locking Pin 5/16" for Boat Yacht


Secure your boat with a 5/16 Safety Coupler Locking Pin- for a safer sail! 
This Safety Coupler Locking Pin 5/16" for Boat Yacht is an essential accessory to keep your boat or yacht secure. This high quality pin ensures a safe and tight connection between your vessel’s couplers, preventing accidental disconnection while out on the water. It's made of durable stainless steel with rust-resistant coating and features an easy finger grip handle that makes it simple to install or remove as needed. Keep yourself and your passengers safe with this reliable locking pin! 

  • Eliminates trailer misalignments.
  • Provides secure coupling without backing up.
  • Avoids accidental involvement of other vehicles.
  • Prevents unintended movement while towing trailer.
  • Makes parking boat easier and safer.

Made of stainless steel to be rust resistant, strong endurance, durable in all conditions, even salt water.

5/16 Inch Heavy Duty Safety Coupler Pin Shaft Locking PTO Hitch Pin with Round Arch Wire Retainer

Dimension: Safety coupler Pin length 3" (77.80 mm); Diameter:5/16"(8.0 mm)


The 5/16-inch Heavy Duty coupler pin is made out of solid steel for reliable strength, safety and confidence with every mile of your adventure.


Protected by a durable zinc-plated finish, this coupler safety pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time.

About Us

Here at Marine City Hardware, we specialize in marine hardware products. We are all family and are all working together to bring our customers exactly what they need. Our motto is high quality, low cost, fast shipping and taking care of our customers. Everything is double checked and electronically tested before being sent out to ensure the highest quality. Our company provides retail and wholesale services so you may also message us if you want to order our products in bulk as well. Our exceptional Satisfaction is our ultimate goal so we encourage you to message us because we will work for you. Our exceptional Cost and superior manufacture company make us the best around for any marine products.