There
are tiles in this tiller mounted in two rows each line. It
is mounted with to strong coil spring which allow the tines
to ride over obstructions in the soil without the
inconvenience of stopping work to clear. The obstacle thus
making it suitable for use in stone and root obstructed
soil. The weight of this tiller is little more than the
other 9 tine tiller. So it can aerate soil to a depth of one
feet the tiller eliminates. The use of the plough special
steel forged tine & high tensile bolts used.