The ST SERIES S-TINE FIELD CULTIVATOR is ideal for pastures, orchards, vineyards and general fieldwork. Available in 4', 5', 6', 7', 8', and 10' sizes and designed for tractors 15-70 HP. The 2? square, 3-bar frames are reinforced and equipped with heavy-duty 3/8? x 1-1/4? x 16? clearance S-tines and reversible points on 6-1/2? spacing.