GREX 71AF 22 Gauge 5/8-Inch Length 3/8-Inch Crown Stapler with Auto Fire Dial adjusts tool from single fire to varying automatic firing speeds Automatic firing speeds range from single fire up to max 18 staples/sec The most compact and lightweight tool of its class Powerful motor with a fast air recycling time for maximum performance Easy pull-up magazine latch for quick access to fastener reloading