Custom Landing Pads to install directly to crossbar mounting points on the flush rails of 2015+ Chevrolet Tahoe and Suburban, GMC Yukon, and Cadillac Escalade models.Combine with SkyLine Towers and StreamLine crossbars for a full featured Yakima base rack with increased cargo capacity beyond the factory crossbars. Seamlessly combines with SkyLine Towers, the easiest-to-use rack system on the market Complete set of 4 Landing Pads with no additional tools required 28" crossbar spread allows most Yakima gear mounts. Additional 52" spread on longer models. Includes tamper-proof security screws Snap on covers to keep the elements out while the rack is removed PRODUCT SPECS Weight: 2.00 lbs.