The Thule 300 Gutter Foot Towers are ideal foot for vehicles with external rain gutters. When combined with Thule Load bars you create a multi-purpose roof rack capable of carrying ladders, boats, bikes, etc. The Thule 387 Raingutter tower is a solid base rack for cars with tall roofs or for truck canopies. Like the standard Thule 300 Tower, it's made to fit raingutter vehicles or artificial raingutters, but used when you need extra height clearance. Low (300) Created for cars with rain gutters. Perfect and secure fit even with very narrow gutters. Vibration-damping and anti-slip vinyl coating. Product provides 5 inches of clearance above roof of vehicle. Specifications Weight: 7.55lbs Length (carton): 17" Width (carton): 10.2" Height (carton): 2.6" UPC: 091021601178 Manufacturer: Thule Manufacturer Part Number: 300 High (387): Created for cars with rain gutters Perfect and secure fit even with very narrow gutters Vibration-damping and anti-slip vinyl coating Product provides 8 inches of clearance above roof of vehicle Complete security with 4 Thule lock cylinders, sold separately Specifications Weight: 9.55lbs Length (carton): 21.5" Width (carton): 10.2" Height (carton): 2.6" UPC: 091021387171 Manufacturer: Thule Manufacturer Part Number: 387