Durable and easy to use gross weigh semi-automatic, mechanical bagging scale for free-flowing granular products such as corn, soybeans, pellets, seeds, etc. Designed to fill open mouth bags with 15 to 110 lbs. of product with an accuracy of +/- 1/4 lb. When the operator places bag on spout of bagger, operator’s wrist hits a wand switch which activates bagging scale fill cycle. The OM-2A will open gate, fill bag to desired weight and drop bag when fill cycle is complete. Air and electricity – required.