The 18 Gauge �� Crown Flooring Stapler N4004AB has been designed with the professional hardwood flooring installer in mind. It can drive �� 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. It�s backed by our 5 Year limited warranty for peace of mind.