Elumen8 CLAM257 Wall Plate Black Key Clamp (131-BPC). 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 wall plate key clamp can be secured to a wall or similar with suitable fixings allowing constructions like garment railing to be secured to walls and ceilings. Please note: Do not use to support vertical posts on guardrails. Malleable cast iron construction hot dip galvanised with black powder coated finish Designed to fit 48.3mmØ tubes Simply secured via an Allen key (not included) Please note: Not suitable for use in the construction of scaffolding frameworks Grub screws included