Sigma Tiller Blades Set For. 4′, 5′, 6′, & 7. Agri Supply Gear Driven. 7-4/5 length tip to tip. M14-1.5X35 Hex Cap Screws. Metric Class 8.8. 48 Rotary Tiller, Gear Driven. 60 Rotary Tiller, Gear Driven. 72 Rotary Tiller, Gear Driven. Tine Parts Item #77729. Tiller Blades (21 Right & 21 Left) & Accessories (Bolts, […]