Brinly DT-40BH Tow Behind Dethatcher, 40-Inch (2) Rows of 10 independently flexing tines for maximum thatch pick up (3) Modes of operation: Dethatch, Scarify & Transport for versatility Modes of operation can easily be engaged from the tractor seat Easy-to-engage transport wheels make crossing driveways and paths simple Tines come pre-assembled from the factory to decrease assemble time