18 Gauge, SLS Magnesium Stapler with a 1/4", narrow crown * Uses 3/8", 1-5/8" and 1/4" "L" wire crown staples * Constructed with a magnesium body which provides a durable and ultra light tool for comfortable, extended use * Selectable trigger controls the fastening method with the flip of a switch * Rotatable rear exhaust and belt hook keeps dust and debris off work surface