This chassis clamp, frog clamp can be used to attach objects to a chassis with beam thickness (flange thickness of 10-12 or 14-16mm. They are hot-dip galvanized full of forged clamps.
Ash hole is 15-22 mm, suitable for M12 or M14 bolts.
The size 129x49x23mm, weight around 635gr. and a minimum load capacity of 3000 kg.