From the market leader in deep-tillage technology! The Blu-Jet SubTiller® 4 in-line deep-tillage ripper features shanks that shatter compaction up to 18" deep and all the way across a 30" row. The heavy-duty frame, wide variety of shank options and spring-tensioned auto-reset trip mechanism make the SubTiller 4 ripper the leader in the field. This tool solves deep compaction issues, improves soil structure, maximizes water absorption and decreases erosion because of the limited surface disturbance. Let this year-round conservation tool help increase yields on your farm.