SUPERTOOL FC1240 L-Shaped Clamp, Heavy-Duty Standard Type, Rail Size 27 x 13mm

For a more secure fit, use a wrench to tighten the hexagonal screw head. The adapter can be tightened at angles up to approximately 35 degrees. Clamping range: 400 mm Pocket depth: 120 mm Maximum clamping pressure when clamping to 150 mm: 11.5 kN