This is a tension spring roller assembly with a V shaped spring design is used by several patio door manufacturers
The roller is a 1 inch steel ball bearing roller with a heat treated steel tension spring that is V shaped
The 2 inch long V shaped flat spring inserts into the screen frame giving tension required as the door slides back and forth
11/14/24
This product has surpassed my expectations! It performs flawlessly and looks great too.
1/25/24
So impressed with the quality and results! I will be purchasing more items from this brand.
1/18/25
Five stars without a doubt! This product has changed my routine for the better. Highly recommended.
1/22/25
Best purchase ever! I can’t believe how well this works. I will be spreading the word!
7/11/24
Totally in love with this item! Great quality and it does exactly what it promises. Five stars!
11/27/24
Love, love, love this! It’s just what I needed, and it performs beyond expectations. ⭐⭐⭐⭐⭐