Use this Adjustable Channel to mount Pintle Ring Eyes and Adjustable Couplers. The Channel allows for weld on installation for most trailer applications. With 8 holes, there are 3 Position options for variable heights using 5/8 inch diameter bolts. The Channel is 7 3/4 inches tall x 3 3/4 inches wide. The capacity of the channel is limited to the device mounted in the channel. This Adjustable Channel has a 3" Inner Channel width to accept multiple different mounts.