Our Mini Auger Attachment has a continuous pressure rating of 3,000 psi and an intermittent pressure of 4,000 psi. The auger consists of a motor mounted directly to the planetary gear box with no chains to break or come loose. It comes complete with mounting plate, hoses and couplings. Heavy duty reliability an an affordable price! Specs: Continuous pressure rating of 3K PSI, intermittent: 4K PSI; self-levelling. Bit sizes up to: 36″ INCH; Hooks Up To either, 2″ Hex or 2-9/16″ round depening on what you choose. No adapters needed here!