Quiet yet powerful heavy-duty Optima staplers can be set for auto or manual allowing you to activate the motor only when you want to. Each features an adjustable Intelligent Paper Alignment Guide system which incorporates a light that highlights the space where your staple will be placed as well as size guides that orient staples horizontally vertically or at a 45 degree angle. Stack Height Gauge ensures you don t exceed the maximum sheet count. A low-staple indicator light blinks to alert you when you are almost out of staples and spare staples can be stored in a handy one-touch-open staple-storage drawer. QuickLoad feature simplifies staple refilling?just push a button and the staple magazine pops out from the front. Both staplers are backed by a 100% Performance Guarantee.