Carr Lane CL-23-CAC | 1/2-13 Thread Hook Clamp Socket HeadSocket Head Hook clamps are designed to manually swing into the clamping position, then clamp straight down by screw action. These clamps allow clear loading while swung away in the unclamped position. Ideal in tight spaces where high clamping force is required. Hooks clamps are available in long arm, long armed tapped or standard arm (short arm). Material Parts Specification Steel Item Material Heat Treat Finish DFARS RoHS Clamp Body 4135 Steel Heat