1.Quality & Design. Made of Zinc Alloy Bumper. No spring sticks on the bottom of your door, nothing floor mounted, no more door banging. Long-lasting quality makes it strong enough to withstand long-term daily use. You will love how they aren't so noticeable works effectively Universal fit for both right and left hand doors. Adjust the rubber bumper screw until the door stops where it should while still allowing enough space for entry/exit. 2.Application-No more dents on the wallboard or holes in the trim Say goodbye to pay for repair bills or monthly upkeep cost. Soften the blow, the door gently bounces rather than stopping hard. Using these, you are to safely place things behind the door without worrying about damage from people opening the door too quickly, like freezer or cloth hooks, etc. Prevent door swinging back too and hitting furniture near the door. 3.Kids Protection-Your naughty kids will stumble against the floor mount door stop when just learning to ? Will bust their toes on the floor door bumper in the dark? Always like to step on the floor board mounted door stops and rip out of the wall? With the thoughtful feature, Hinge Pin Door Stop is designed to be inserted into any of the door hinge pins, which will protect your children from being troubled and keep door banging noise . 4.Package Contents & Easy Installation-6x Hinge Pin Door Stopper. No Drilling Needed. It will take just a few minutes to finish the installation and adjustment Simply remove the pin from door's top/bottom hinge, door stopper onto it and then slide the hinge back in. Colour:black Material:Zinc alloy Package Contents: 6x Hinge Pin Door Stopper 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.