The handy thtpa48 plug aerator can be towed behind a lawn or garden tractor removing  five 8 1.58 cm diameter soil plugs from the ground. This allows compacted soil to loosen up and lets in moisture and nutrients for healthier root growth.the thtpa48 has a 48” 122 cm working width with utilising 32 hollow core tines. The tines are best suited to easily compacted soil such as clay and can penetrate the soil up to 3” in depth. The steel construction sits on 10 pneumatic tyres for a smoother ride. specificationsworking width 48 inchtines 32 hollow coremaximum weight capacity 63.5kg 140lbmaximum ground penetration 3 7.6 cmtyres 10 26.6 cm pneumatichitch pin includedsingle hand lift leverproduct dimensions l 129cm x w 36cm x h 28cmproduct weight 42kgssome assembly requiredmanufacturer warranty 12 month home owner