NuMax SST9032 18 Gauge 1-1/4" Narrow Crown Stapler Dual-spring pusher for a consistent feed Lightweight durable die-cast aluminum housing Dust cap and internal air filter Adjustable 360-Degree exhaust port conveniently directs exhaust away from user Comfort grip handle maximizes non-slip comfort and minimizes fatigue Uses 18-Gauge 1/4" Narrow Crown Staples from 1/2" to 1-1/4"