Telescoping Tire Carrier Receiver Mounting Tube. Constructed from 1/4" thick heavy duty receiver material. Item is 7 3/4" long x 2 5/8" square x 1/4" thick wall. Item is slotted to allow 1/2 bolt to telescope a tire mount. Also has a side hold to use for a 1/2" stop. We also offer the tire carrier mounting plate and tubing to be used inside this receiver!