Trim Line Base, Product Type Channelizer Base, For Use With Product Type Looper Top Channelizer Cones, Weight 30 lb, Color Black, Shape Rectangle, Material Rubber, Compatible with Series Grip N Go, Width 14 in, Includes 8 in Diameter Center Hole, Inside Diameter 8 in, Installation Method Slip-On, Length 30 in, Height 2 in.