Senco Concrete and Steel Collated Pins, Zinc-Plated, 3/4 in. 1,000-Pack are designed for securely fastening drywall track, wood furring, hat channel, metal washers, and ceiling grid to concrete, concrete block, and steel surfaces. These pins measure 3/4 inch in length with a diameter of 0.109 inches and feature a full round head for optimal holding power. The zinc-plated finish durability and resistance to corrosion, making them suitable for various construction applications. Packaged in a convenient straight strip collation, this 1,000-pack ensures you have plenty of pins for your projects. Model Number: W3075YXC