Bessey KBX20 K Body Clamp Extender Precision aluminum extrusion Steel bolts nuts and washers included to join K-Body Extender to 2 K-Body clamps Ideal for projects that require K-Body clamps that have larger opening capacity Durable aluminum construction ensures a rigid link with no twisting or unwanted movement Includes 2 bolts, 2 nuts, and 4 washers