48", Tow Lawn Aerator, Replaces Model# 45-0298. 48" Weight Tray Holds Up To 175 LB For Increased Soil Penetration. Eight Spools Of Aerator Knives, Galvanized For Rustproof Durability, 10" x 4" Pneumatic Tires Allow For Smooth Transport. Simple To Use Cantilever Transport Handle For Easy Raising & Lowering.