"The NEW Singer Button Fast easily attaches a variety of button types without sewing. It's the perfect hand-held tool for quick, emergency button replacements on the go. It features a built-in storage compartment that comes with two fastener strips (black and clear) and 12 single-hole replacement buttons. A simple pull of the trigger pushes the fasteners through both the button and the fabric, securing the button quickly in place. Attach protective needle cap for safety when not in use. Instructions: 1) Insert fastener strip into the Button Fast 2) Push needle completely through button and fabric 3) Pull back trigger to attach"