Master Lock 3453DAT One Tool Torque Stainless Steel Hitch Ball 1.875 inch long ,0.75 inch wide and 2.50 inch high hitch ball with a 2000 pound load rating Only one wrench needed to tighten hitch ball when used in conjunction with the one tool torque ball mounts Simplifies and speeds installation Prevents damage of hitch ball during installation Environmentally sustainable packaging stands up to retail environment and is biodegradable