Does anyone know what the "usable" length is?

They are designed to be have 2" clear between the head of the bolt and the wire retainer when the retainer is in its natural position. The claims that 2 3/8" are usable should be qualified with warnings that the retainers will be sprung or stretched outward, and perhaps prone to popping open. The intended use is for 2" or less diameter tubing.

does this work as a pin to hold extender in place??

these pins are not meant to have any real force on them

How do you open and close it?

Just pull the bracket end that is open (not attached to the pin) out just far enough to clear the pin and pull it to any side. Put the pin in the item you want and again just pull the bracket out far enough to clear the pin and place the open end of the bracket over the pin. It will spring back to its origiinal shape.

What is the sheer rating for this pin?

There is none since all it is meant to do is to hold the coupler down onto the ball. There is no stress on it.

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25080 Trailer Coupler Pin, 1/4-Inch Diameter x 2-3/4-Inch Long

Product ID: 380622247

Details

Material
Carbon Steel
Size
Pack of 1
Pin type
1/4"
Brand
CURT
Item diameter
0.25 Inches

📏2-3/4" length

🔩1/4" diameter

🛡️Zinc-plated finish

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€ 3.80

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Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔒 Secure Your Adventure with Confidence!

HIGH STRENGTH - Constructed from solid steel for maximum reliability and safety on the road.
VERSATILE FIT - Designed to accommodate a wide range of trailer couplers and accessories.
SECURE ENGAGEMENT - Ensures your trailer coupler latch stays firmly engaged with the trailer ball.
CORROSION RESISTANCE - Zinc-plated finish protects against rust and corrosion for long-lasting use.
USER FRIENDLY DESIGN - Square retainer clip made from spring steel for effortless operation.

The CURT25080 Trailer Coupler Pin is a robust and versatile solution for securing your trailer coupler latch. With a 1/4-inch diameter and 2-3/4-inch length, it fits a variety of couplers and accessories. Its solid steel construction and zinc-plated finish ensure durability and resistance to rust, making it an essential tool for any trailer enthusiast.

Specifications

ASIN	B001GN3H5A
Best Sellers Rank	#18,932 in Automotive ( See Top 100 in Automotive ) #21 in Trailer Coupler Parts
Brand	CURT
Color	CLEAR ZINC
Customer Reviews	4.8 4.8 out of 5 stars (6,961)
Global Trade Identification Number	00612314110803
Included Components	1/4" Safety Pin
Item Dimensions	4 x 4 x 1 inches
Item Type Name	Trailer Coupler Pin, 1/4-Inch Diameter x 2-3/4-Inch Long
Item Weight	22.68 g
Manufacturer	Curt Manufacturing
Material Type	Carbon Steel
Number of Pieces	1
Size Name	Pack of 1
UPC	612314110803
Unit Count	1.0 Count
Warranty Description	Limited Lifetime

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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