ADJUSTABLE BALL MOUNT 20K ; DUAL BALL WITH 2-1/2" SHANK ; 11-3/4" MAX DROP Highly versatile design adapts to multiple vehicle-trailer combinations Adjustable dual ball allows for quick and precise trailer leveling Dual ball can be used on other WD shanks (holes spaced 2-1/2" on-center) Deep-drop shank ideal for large or lifted trucks and SUVs Provides max drop of 11-3/4" (not intended for use in rise position) 2" ball rated for 10,000 lbs. and 2-5/16" ball rated for 20,000 lbs. Built-in anti-rattle helps promote quiet towing Compatible with 2-1/2" x 2-1/2" receiver tube opening High-strength forged steel construction for dependable towing Durable carbide powder coat finish with yellow zinc trailer balls Unique clip design installs easily over both pins and is vibration-resistant Limited lifetime warranty (one-year finish, one-year parts) Important Note: Includes dual ball attachment, pins, clip and WD shank #17132