The Spring Hinge Tension Pin Replacement Kit comes with 20 stainless steel shelf pins and 4 hex wrenches, providing ample supply for comprehensive repair and replacement tasks. The metal pins measure approximately 0.7 x 0.08 inches and the hex wrenches are approximately 2.6 x 0.9 inches, which are appropriately sized for convenient and effective use. This makes it easy to share or store add-ons for needs, ensuring you're always prepared. Our metal pin shelf support is designed to seamlessly replace broken pins of various sizes (3.5 inches, 4 inches, and 4.5 inches). This hex wrench features a flat and a smooth, comfortable body, and the 90-degree bending process prevents rebound, saving your energy and strength. This ensures compatibility with the socket on the top of the door hinge, making it a versatile tool for different door hinge needs. Made of high-quality stainless steel, our shelf support pins provide firm stability and superior durability. With an iron hex wrench and a plated , this combination guarantees high hardness, excellent toughness, and reliable performance. These materials a long lifespan, allowing users to confidently rely on these tools for continued use. Our spring hinge tension pin replacement kit simplifies the replacement process. Simply insert the hex wrench into the top socket of the spring hinge, rotate see hole, and install the metal pin. Test the door's closing speed and repeat the process until the door closes smoothly without slamming. This efficient replacement saves time and is straightforward to DIY, allowing users of any skill level to use it. This spring hinge tension pin replacement kit is suitable for a variety of occasions. Suitable for automatic door hinges, garage door hinges, door closing hinges in a variety of environments such as kitchens, bathro, toilets, shopping malls, schools, offices, and commercial buildings. It can solve any broken or aging hinge pins to that your door operates perfectly. Colour:Silver Material:Stainless steel Package Contents: 1set x door hinge repair kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.