Features: The spring hinge tension pin replacement kit comes with 20 stainless steel shelf pin and 4 hexagonal wrenches, providing amples supply for comprehensive repair and replacement tasks. Our metal dowel pegs shelf support pin kit are designing to replace broken pin of various size (3.5inch, 4inch, and 4.5inch) seamlessly. The hexagonal wrench features a flat head and a smooth, comfortable body, which, thanks to its 90-degree bending process, conserving your energy and strength. This ensures compatibility with the sockets located at the top of the door hinge, making it a versatiled tool for different door hinge needs. Crafted from stainless steel, our shelf support pin offer unwavering stability and remarkable durability. Complemented by a hexagonal wrench crafted of iron, this combination guarantees a high level of hardness, exceptional toughness, and reliable performances. Ease of our spring hinge tension pin replacement pack simplifies the replacement process. Just insert the hexagonal wrench into the top sockets of the spring hinge, rotates it until the next hole becomes visible, then install the metal dowel pegs. This spring hinge tension pin replacement kit is suitable for a wide array of setting. It's suitable for self-closing door hinges, garage door hinges, door closures hinges in diverses environment like kitchens, bathrooms, toilets, shopping mall, schools, offices, and commercial buildings. It addresses any broken or aged hinge pin, ensuring that your door function flawlessly. Specifications: Component:Stainless Steel Wrench Size:Approx.5.7x2.1cm/2.2x0.82inch Hinge Pin Size:Approx.0.2x1.8cm/0.07x0.7inch Color:Silver Package Includes: 20pcs Metal Dowel Pegs 4pcs Hexagonal Wrench Kit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.