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 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 Ideal for a Range of Applications: our drive pins are designed to serve 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 gun; All you need to do is place the washer pins into the nail gun and line them with the strike site; This ease of use makes these pins an invaluable tool to your tool set Colour:Silver Material:steel Size:52mm Package Contents: 100x Washer Pin Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.