This WEN 18 gauge narrow crown stapler is constructed of cast aluminum for durability. Its compact design, swift side loading property, molded comfort-grip, and narrow nose for accurate fastener placement make it a must have in tools. The magazine accepts 100 in length, 18-gauge staples and uses ¼" crown staples from 3/8" to 1". This item includes a nailer, has contact trip operation, ¼" air fitting, and a carrying case. Uses: SKU No. 331139 and 322092.