NEW WITH OPEN BOX. Stapler includes 20-gauge laminated flooring stapler, no-mar tips, and carrying case. Adjustable knobs allow for tool-free adjustment from 1/4-in to 1/2-in flooring. High visibility tongue engagement for faster installation and non-marring profile tips to prevent floor scratches. Oil-free operation requires no regular maintenance and eliminates the risk of oil stains. Swivel air fitting with internal filter improves maneuverability. Ultra-quiet rear exhaust directs air away from the user. Non-marring profile tips to prevent floor scratches. Rear exhaust directs air away from the user. California Proposition 65 Warning Required. Nailer / Stapler Design. Net Tool Weight (lbs). This 20-gauge hardwood flooring stapler is designed to install 1/4-1/2 inch engineered flooring. Its adjustable foot and 20-gauge fastener protect flooring from scratching and other damages. With its lightweight yet durable design, oil-free maintenance, and rear exhaust system, this fastener is incredibly user-friendly.