Whether you're missing tension pins or simply looking for a high-quality, more durable upgrade, this set is tailor-made for you. Our universal spring hinge tension pin replacement pack includes all of the hardware that's needed to readjust either your residential or commercial spring hinges. Each replacement pack includes 4 tension pins plus a handy hex wrench. We designed them for use on interior and exterior doors. Professionals and DIYers put their trust in KS Hardware products because they know we'll help them get the job properly, efficiently, and without breaking the bank. We never cut corners and only use the finest materials to create all of our tools and home improvement products. You have enough on your plate, the last thing we want you worrying about is if the product you order from us will get the job done. Rest assured knowing that everything we manufacture goes through rigorous rounds of quality control checks to ensure that there are no defects. If it doesn't meet our lofty standards, it will never be offered to our customers. It's that simple.