Features: 1) Types: DMB20, 30, 40, 50, 60 2) Can fit for 15-60 HP tractor to dig holes 3) Can dig holes with inner diameter Features: 1) Types: DMB20, 30, 40, 50, 60 2) Power: 15-20HP, 15-25HP, 20-40HP, 30-50HP, 40-60HP3) PTO: 540/180rpm4) Blade quantity: 30, 365) Good quality6) Iron frame Quality Hole Digger