Dual Hitch Extension, Fits for 2 inch Receiver, Extender to 10 inch Max. Length & 7-1/2" Riser MULTI-USE FUNCTION: The dual trailer hitch extension bar can be used for towing a trailer while mounting a bike rack or a cargo carrier (TOP RECEIVER IS NOT INTENTED FOR TOWING USE) HIGH STRENGTH: This dual hitch extender is rated to tow up to 4000/400 lbs GTW/TW and is compatible with most Class 3/4 hitch receivers ADJUSTABLE LENGTH: This extension has total length of 15 inches; 3 pin holes on the shank allow to adjust the length from 8" to 10", when inserted into the receivers. Also with a 5/8" hitch pin & clip, easy and quick to assemble onto the receiver ANTI-RATTLE DESIGN: Anti-rattle nuts and bolts on the top and bottom receiver not only makes it more sturdy also helps to eliminate the noise, rattle, movement when mounting a bike rack, cargo carrier, ball mount and other hitch accessories CORROSION RESISTANT: Made of strong steel with a durable black powder coat finish, super corrosion resistant الحالة جديد نوع المركبة سيارات نوع قطعة الأكسسوار أكسسوارات خارجية أخرى