Key clamps are designed to secure and connect 48.3mmØ tubes quickly and easily. The wide range of options available enables users to create a huge variety of configurations including lighting grids studio frames staging and exhibitions stands. The railing base key clamp provides a structural base to support vertical posts for handrails and guardrails. It can also be secured to the ground with suitable fixings providing more stability and features a vertical plate to fix kick boards directly to it.