Elumen8 CLAM253 90 Degree Elbow Black Key Clamp (125-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 90° elbow key clamp is commonly used for the termination of a top rail to the last post of a handrail or for creating a smooth corner for other rail constructions. 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