Fixed position roof-top load bars, black durable powder coated finish, 1-5/8 inch in diameter. CNC tube clamps secure spreader bars to Congo Pro Front Hoop JK PN# 55015 up front and flange over bolt attachment to JK MOD RAK LOW-PRO Platform Kit PN# 55070 at the rear. Optional accessories include Grab Rails, Rail kits, and accessory bracket. 07-Current Wrangler JK, 4-Door;Black powder coat will not fade or dull;Corrosion resistant;1-5/8? diameter roof rails compatible with mounting accessories;Lowest clearance system available;Industrial grade fasteners for added strength;Superior loading strength for secure hauling;No drilling required;Connects Congo Pro JK Front Hoop PN# KAR55015;Nationwide lifetime frame warranty