Spacial S3CM HMI articulated fixing. 147 x 210 mm. Mounting between tube and support. By screw (M12) horz tube, and by 4 screws (M11) on support. For 50 mm square tube, option of passing cables through the inside. Op angle is 170°. Load is 4.35 kg. Moulded steel, epoxy-polyester powder finish. Grey RAL 7035.