Six-roller design with 10" travel fore-and-aftWorks with full-size and compact trucksFully adjustable with trailer attachedMinimum 13" extended trailer pin box recommendedRequires #30035 or #30095 Universal Base Rail Kit (sold separately)Designed for short bed trucks and extended cab short bed pickups to provide additional turning clearance and to prevent damage to truck when spotting trailer. Fits 15K, 16K and 20K model Fifth Wheel Hitches.