• Profile dimensions: U-rail length 11 cm, internal width 2 cm, thickness 0.3 cm; triangular rail length 12 cm, internal width 2 cm, depth 2.8 cm. • Easy to install: The U and triangular profiles are easy to assemble, with the U profile attached to the top connection of the grid and the triangular profile to the bottom connection. • Increased stability: The U and triangular profiles increase stability and safety when using stair gates. • Ideal for wide grids: We recommend using U and triangular profiles to ensure optimal stability. • Product content: This stair gate reinforcement set contains 2 U profiles and 2 triangular profiles.