Aluminum Floor Transition StripProduct Details1.APPLICABLE HEIGHT - Our floor transition strip is suitable for use in areas where there is a height difference of 0.4~1.4 inches between two uneven floor surfaces. It can be installed at doorway, room entrances, or any other place where two different flooring types meet, providing a seamless transition and connection.2.EASY INSTALLATION - Without the use of special tools, no need to punch holes in the floor, and not damage the floor, just measure your gap and cut the length you need, then fill the gap with glue and put in the floor transition strip, press it until stable on the floor. (please note: the package does not include glue)3.