Two styles available - suitable of the backyard (single prong) or industry standard (double prong). Please see below for descriptions: BMS TurfMaster Deluxe Hole Cutter - single prong Ideal for the backyard Compact, lightweight and easy to use Features dead stop depth guide for precise depth measuring Reinforced top blade Wide diameter base plate, reinforced side struts Heavier hammer plate Requires a rubber mallet to hammer down blades (mallet sold separately) *Not a stocked item, so please allow additional time for possible delivery delays BMS HolePro Hole Cutter - double prong Stronger, recognised as industry standard worldwide Accurate clean cut, whatever the condition of your green Industrial heavy-duty blade Wide diameter base plate with reinforced side struts Heavier hammer plate, reinforced to the top of the blade Twin column HolePro still recognised as industry standard Requires a rubber mallet to hammer down blades (mallet sold separately)