(Note: Measurements are outside max. dimensions unless stated otherwise).19th Century : Round body 'S' hook with tapering shape.Height 72mm. (2 13/16")Width 45mm. (1 3/4")Thickness (variable) at widest 10.5mm (3/8")Throat gap in small end 10mm. (3/8")Throat gap in large end 14mm. (9/16")* Although the hook should be capable of supporting loads of up to 45 kilos, we decline responsibility of failure.