Ideal for high volume usage, the Optima 70 Heavy Duty Stapler uses low force technology to deliver more power for up to 50% less effort than traditional staplers. Used with Optima staples, it offers jam-free, space-efficient flat clinch stapling. With a 68mm throat depth, it is durable, easy to use and staples up to 70 sheets at once. Includes 500 Optima HD70 staples.