Fotga Aluminum Alloy Photo Studio Lighting Light Stand Magic Clamps with Flex Arm 50cm This Magical Clamp works in compensating the brightness for the product shoots Its made of Aluminum alloy, firm and durable It consists of two clamps, one clamp can be fixed on the photographic table and the other clamp is used to fix paper, board, small size reflector to compensate the light for product shoot, increase the third dimension Length of Flex Arm: 50cm /20" Material: Aluminum Alloy