Quality Material: our powder actuated fasteners are made from steel, promising significant durability and toughness; This quality construction gives the pins the strength to penetrate dense concrete and quality structural steel, making them the ideal choice for any heavy duty construction or DIY project Suitably Sized for Variety: a handle diameter of 0.145 inch, a head diameter of 0.300 inch, and a washer size of 1 inch, these powder fastening tools are ideally sized; Their composition allows for versatility and multipurpose use, enhancing their functionality in diverse settings Ideal for a Range of Applications: our drive pins are designed to a wide array of applications; Therefore, whether it's attaching fixtures to concrete, certain types of masonry wood or steel, they are up to the task Easy to Use: offering user friendly design, these fastening tools are designed for use with a concrete nail ; All you need to do is place the washer pins into the nail and line them with the strike site; This ease of use makes these pins an invaluable tool to your tool set, Manufacturer: Akfldms