FASCO F1B 54DF-18 Stapler: Delivers European reliability, power and refinement. Drives 3/16-Inch narrow crown 54 series Duofast staples. Matches many electric carpet staplers. Bottom load design provides ease and speed when reloading, changing sizes or clearing a jam. Staples range all the way from 1/4-Inch - 3/4-Inch leg lengths. Magazine opens with easy, one finger latch. Reversible bumper for added parts life. A comfortable, fast, and durable stapler for carpet and other light trim staple applications.