Makita AT638A 1/4" Narrow Crown Stapler, 18 Ga.Makita AT638A The Makita 1 4" Narrow Crown Stapler (model AT638A) combines ease of use and powerful performance in a compact size. The AT638A has a bottom loading magazine that accepts 18 ga. staples sized 1 2" to 1 1 2". The staple reload indicator window alerts the user when to reload nails, and the contact arm and trigger are used together for controlled firing. The AT638A has a compact size and weighs only 2. 7 lbs. for all day use. Additional