DescriptionVERY EASY TO INSTALL AND REPLACE - Our door stops can be installed into your baseboards or directly on your doors simply by using the included screws, No special tools required.ENOUGH QUANTITY FOR USE - 12 pieces in them behind every door in your home to beautifully match all of your other Black home accessories and decoration. You can even give them to family or friends for the perfect housewarming gift.PROTECT YOUR INTERIOR,EXTERIOR DOORS AND WALLS FROM DAMAGE - Our wide base and firm rubber bumper tips design restricts those heavy, fast swinging doors from slamming into your walls and creating those dreaded doorknob holes, while also safeguarding your wood, steel, and fiberglass doors from marks and scrapes.PRODUCT DIMENSION -Complete with a 13/16Screw and 15/16Metal Base ,Projection:3-1/8from Mounting Surface; Material: steel;(Refer to our drawing for details)