
Flyline
The Century Spring Corp 25 x 177.8 x 3.4mm extension spring is a heavy steel coil spring designed to absorb and store energy while resisting pulling forces. It stretches under load and pulls back to its original length.
Suited to gates, levers, machinery and repair jobs where a strong steel extension spring provides a pulling return force.
Century Spring Corp 25 x 177.8 x 3.4mm Extension Spring is a steel extension spring designed for various applications requiring energy absorption and resistance to pulling forces. It is designed to absorb and store energy, making it suitable for a range of repair and project uses, with construction that supports durability.
It has a free length of 177.8mm.
The outside diameter is 25.4mm and the wire size is 3.429mm.
It is made from steel.
It stretches under load and pulls back, so it suits gates, levers and machinery that need a return pulling force.
Good buy — fast shipping
Really good value — compared it to similar products at twice the price and there is very little difference in quality. Fast shipping and arrived in perfect condition.
Just as described
Works perfectly. Fast delivery. Would recommend to anyone.
Satisfied customer
Had been looking at the Century Spring for a couple of months. Century Spring Corp build quality is obvious as soon as you open the box — feels solid and well finished. Easy to set up and works exactly as described. Delivery to Perth in only 3 days which is impressive. Will be buying more from SuperSaver AU for sure.
Exceptional — 5 stars
Really happy with this. Price was the best I found online and delivery was faster than expected. Product is well made and does exactly what it should. Zero complaints — will buy from SuperSaver AU again.
Absolutely love it!
Had the Century Spring on my wishlist for a few weeks and finally pulled the trigger. Arrived in 2 days which was a nice surprise. Build quality is solid and exactly what the photos showed. My partner uses it every day now and has already asked me to grab another one as a gift.
Best buy of the year
Ordered Thursday and had it by Saturday. Packaging was really good — nothing moved around. Works exactly as expected and the price was well below what I saw in stores.

