The CenturionPro “HP” refers to ?High Performance? and utilizes two rollers that pull the stem into the machine and pop the flowers off. This allows you to continuously feed the bucker for more efficient de-stemming and results in the industry?s highest buck rate per hour. The HP1 comes with a bucker stand included for added value and versatility. With 5 hole sizes, the HP1 accepts wet or dry stems up to 3/4? and can buck 175+ pounds (35+ lbs/hr dry) per hour. When combined with the high productivity of the CenturionPro trimming machines, you?ll get the highest capacity harvesting system in the world! The HP1 bucker is simple, powerful, and effective and will process your product at an unprecedented rate.