How many come per order? The title says 2 pack but the 9712 say they're sold in packs of 4

There are two pieces in one package.

What is the max load of this spring?

the maximum safe load is 19.90 lbs..

What is the spring constant in lb/in?

Robert! This spring was used to on a commerical roll-up door to keep tension on the rollers against the guide rails. Works good!

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Prime-Line SP 9712 Compression Spring, Spring Steel Construction, Nickel-Plated Finish, 0.051 GA x 9/16 In. x 3 In. (2 Pack)

Prime-Line SP 9712 Compression Spring, Spring Steel Construction, Nickel-Plated Finish, 0.051 GA x 9/16 In. x 3 In. (2 Pack)

Product ID: 344650826

Details

Auto part position
Outside
Brand
PRIME-LINE
Colour
Nickel
Extended length
3 Inches
Material
Alloy Steel

✨Nickel-plated corrosion resistance

⚙️3 in length for versatile applications

🛠️0.051 in wire gauge for precise tension

€ 57.46

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Spring into action with strength and style!

TRUSTED PERFORMANCE - Highly rated with 4.6 stars and proven dependability across automotive, marine, and home projects.
SLEEK DURABLE FINISH - Nickel plating ensures long-lasting corrosion resistance for indoor and outdoor use.
EFFORTLESS INSTALLATION - Designed for quick setup with minimal tools, perfect for busy professionals and DIYers alike.
VERSATILE FIT FUNCTION - 9/16 inch diameter and 3 inch length fit a wide range of appliances, tools, and mechanical devices.
PRECISION ENGINEERED STRENGTH - Tempered spring steel delivers reliable compression with a 19.9 lbs max load capacity.

The Prime-Line SP 9712 Compression Spring is a premium, nickel-plated spring steel component designed for diverse professional and household uses. Measuring 0.051 inch wire gauge by 9/16 inch diameter and 3 inches in length, it supports up to 19.9 lbs of load with excellent corrosion resistance and easy installation, making it a must-have for millennial managers who demand durability and versatility in their toolkit.

Specifications

ASIN	B007X4X7QA
Auto Part Position	Outside
Auto part position	Outside
Best Sellers Rank	#90,971 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #25 in Garage Door Springs & Wires
Brand	PRIME-LINE
Brand Name	PRIME-LINE
Color	Nickel
Colour	Nickel
Compressed Length	0.95 Inches
Customer Reviews	4.6 out of 5 stars 138 Reviews
Extended Length	3 Inches
Extended length	3 Inches
Global Trade Identification Number	00049793097125
Included Components	Prime-Line Products SP 9712 Compression Spring with .054 Diameter, 9/16-Inch x 3-Inch,(Pack of 2)
Item Type Name	Prime-Line Products SP 9712 Compression Spring with .054 Diameter, 9/16-Inch x 3-Inch,(Pack of 2)
Item Weight	1.44 Ounces
Manufacturer	Prime-Line Products
Material	Alloy Steel
Material Type	Alloy Steel
Model	SP 9712
Number of Items	2
Number of Packs	1
Part Number	SP 9712
UPC	049793097125
Unit Count	1 Count
Unit count	1 Count
Warranty Description	Goods are warranted against manufacturing defects for 1 year.

Reviews

J**O

Great Compression Spring for Another Purpose.

Arrived on time and great use for workshop. Not used for engine. Spring was the right size and compression strength as specified.

10.12.2025

A**M

Good for mini X pilot controls

Used for mini X pilot Controls. Just measure and cut, perfect tension

22.09.2025

C**B

Spring

As advertised

18.05.2023

R**A

spring

did not use for what ended up for used it for my kids gokart and worked out great it had one of those silly screendoor springs for the gas pedal didnt work out to well

23.06.2025

J**S

Spring

Bought this spring for my motorcycle seat. This spring did the job for my project.

23.06.2026

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€ 57.46

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Italy.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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

2 weeks ago

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