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, & spare staples can be stored in a handy one-touch-open staple-storage drawer. QuickLoad feature simplifies staple refillingjust push a button & the staple magazine pops out from the front. Optima 70Staple up to 70 sheets when used with Optima High-Capacity staples. Includes four full strips of Optima High-Capacity Staples (125 staples / strip). High-Capacity Stapling: Yes; Flat Clinch Plate: No; Tacking: No; Staple Capacity: Full Strip (125 Staples).