About this item READY FOR ACTION: This electric stapler is a must-have for any projects with upholstery, paper, cardboard, or thin plastics; Perfect for areas with limited power sources, this cordless electric staple gun can easily fit in a toolbox for jobs on-the-go USE THE RIGHT STAPLES: The E21 works exclusively with genuine Arrow JT21 staples; It fits all sizes of JT21 staples which are loaded in the convenient bottom-load magazine POWER WHERE YOU NEED IT: With a battery life of up to 3 hours, this tool has the power to handle even the toughest jobs; The battery status light will let you know when you need to charge up COMFORT AND SAFETY: The soft overmold grip increases the ease of use for this staple gun and the contact safety prevents accidental misfires BUILT TO LAST: The removeable stapler base allows it to stand on a table or workbench, without risk of damaging the surface. The base also acts as an anvil to staple materials together