Quiet yet powerful, heavy-duty Optima™ 45 & 70 electric staplers fasten sheets Jam Free Guaranteed. 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. Optima™ 70—Staples as few as two or as many as 70 sheets with Optima™ High-Capacity Staples. High Capacity Stapling: Yes; Flat Clinch Plate: No; Tacking: No; Staple Capacity: Full Strip (210 Staples).