Four-inch helix provides extra holding power
This screw-in style anchoring device is ideal for anchoring larger trees, but can also be used to anchor tents, shelters and portable sheds. The 1/2"-diameter rod has 4" blades that thread quickly into the soil by inserting a bar into the 1"-diameter eye. Up to 500 lbs. of holding capacity under normal soil conditions. Sold in packages of 12. USA made.
2013 Master Catalog: Page 436