CURT 2 INCH ADJUSTABLE BALL MOUNT WITH 6-INCH MAX DROP/ 5-1/4 INCH MAX RISE ; CHANNEL-STYLE MOUNT Adjustable Channel Mount with Hook & Step Dual-Ball - 2" Shank, 14K, 6" Drop Mounts on trailer hitches with a 2" x 2" receiver tube opening Adjustable channel mount allows for precise trailer leveling Shank can be flipped for a max rise of 5-1/4" and drop of 6" 2" ball rated for 10,000 lbs. and 2-5/16" ball rated for 14,000 lbs. Max tow hook capacity is 10,000 lbs. (DO NOT EXCEED TRAILER HITCH CAPACITY) Tow hook perfect for vehicle recovery and straight-line pull applications Non-skid stepping surface for easier truck bed access Two hitch pin holes provide shank lengths of 11" or 12" Built-in anti-rattle helps promote quiet towing Protected by a highly durable carbide powder coat finish Dual-ball attachment features zinc-plated finish Limited lifetime warranty (one-year finish, one-year parts) Important Note: Includes pins & clips for vertical shank only (receiver hitch pin sold separately) Patent# US8,033,563