The Package: Packed With 4 Pressure Screws. Size: M10, 10Mm Diameter, Length 80Mm, Fits Any 10Mm Pressure Mounted Baby Or Pet Gate. High Quality: Steel Core Screw And Abs Plastic, Durable And Reusable. Solid Material That Doesn'T Ride Through Pressure. Protection And Stability: Make Your Baby Gates More Stable. Rubber Ends Protect Your Stairs From Scratches. Don'T Use It At The Top Of The Stairs. Easy Installation: No Tools Required. Just Turn The Nut And Generate Counter Force Against The Wall, Quick And Easy To Assemble. Wide Application: Fits All Pressure, Baby And Pet Gates, Security Gates, Child Gates, Door Stair Gates, Door Gates. Only Suitable For 10 Mm Spindle Hole. Not For 8Mm Please Check The Spindle Hole Of Your Pressure Baby Gate First.