B8 Impulse 45 Electric Stapler, 45-Sheet Capacity, Black, Sold as 1 Each B8? heavy-duty electric stapler with optical technology, 45-sheet capacity and staple indicator light. Impulse Drive? for 3x faster stapling. No-Jam? technology eliminates staple jams. Refill alert light indicates low staple supply. Stress-free FastLoad? push-button staple reload.