Replacement Tine for Step 'N Tilt Lawn Core Aerator 2 Sharpened tips will cut through sod with ease; may be resharpened with a grinding wheel Tapered diameter prevents clogging Hardened steel, 100% recycleable. Powder coated. Qty: 1. Designed to fit Step 'N Tilt Lawn Aerator 2 only. 120-day money back guarantee and one-year warranty.