摘要 |
<p>The rail is a telescopic one comprising a base rail (1) containing drilled holes spaced 2 cm apart, a runner rail (2) containing drilled holes spaced 2 cm apart, a clamping screw (3) with an eyelet in its head, a nut (5) for securing to the screw on the outside of the base rail and a counter-nut (4) for securing to the screw on the inside of the runner rail. The runner rail is available in different lengths according to the ceiling height. The screw and clamp are used to fix the position of the runner rail relative to the base rail.</p> |