This Metabo / HPT 18-Gauge 1-9/16" x 1/4" Narrow Crown Pneumatic Flooring Stapler (N4004AB) has been designed with the professional hardwood flooring installer in mind. It can drive 1/4" crown, 18-gauge staples ranging from 1/2” to 1-9/16” in length. The high-grade composite magazine reduces weight and an aluminum body construction provides significant durability. This flooring stapler also features an over-molded rubber grip for comfort during prolonged use.