Pneumatic mallet actuated hardwood flooring cleat nailer for installation of 1/2-3/4 in. (12-19 mm.) hardwood and laminate flooring. Easy on the arm. it's pneumatic action requires a single strike to drive faster. Non-marring base that adjust between 1/2 and 3/4 in. flooring without the use of tools. Lightweight and well balanced. Safety trigger prevents accidental ejection of fasteners. Includes mallet. oil. wrenches and 1/4 in. air fitting.