About This 2-in-1 design: The combo aerator spreader drops seed, fertilizer or lime while you aerate to expedite your time in the lawn and ensures material enters the soil. Includes Weight Tray: The included rigid steel weight tray holds up to 75 pounds of extra weight for maximum soil penetration and depth, even in hard terrain NEW 3-D Tines for 2X the Strength: Brinly's Patent-Pending 3-D tines in galvanized steel inhibit rust and resist bending, even in compacted soil All Steel Hopper: With a 100 lb. (1.74 cu. ft.) capacity, the durable steel hopper prevents twisting and flexing for long-lasting durability. Encourage healthy growth: Featuring 132 tine tips, the 8" diameter steel stars perforate the soil up to 2″ deep providing access for air, water, and nutrients to root system. Calibrated flow control: The flow control feature includes an adjustable stop to ensure accurate spread patterns with minimal waste. Transport Mode: Use the single lever to engage the 10" pneumatic transport wheels to cross driveways and sidewalks with ease Heavy Tubular Steel Design & Nylon Spacers: The metal tow tube design and solid tine shaft with nylon spacers ensures maximum dependability. 30 Minute Assembly: Assembles in under a half hour. A single, heavy-duty universal Hitch Pin is included to easily attach to any rider or tractor and most any ZTR or ATV.