Doughty T29850 Scissor Clamp Light, Mounting Clamp, Carrier clamp for steel beams and pipes (Scissor Clamp), Light duty version, Two large wing screws for adjusting the mounting opening and fixing the clamp, Steel supports up to 120 x 15 mm, Tubes of 48 mm - 60 mm diameter, Mounting hole: M12, Height: 170 mm, Can carry up to 100 kg load, Weight: 1.4 kg