Channelizer Drum Base, Product Type Trailguide Base, For Use With Product Type Traffic Barrels, Weight 22.5 lb, Color Black, Shape Circle, Material Rubber, Compatible with Series Trailboss/Trailguide, Width 32 in, Includes 19 in Diameter Center Hole, Inside Diameter 22 in, Installation Method Slip-On, Length 32 in, Outside Diameter 30 in, Height 3 in