These Bostitch S310R90 bright ring shank stick nails, measuring 3.1 x 90mm, come in a pack of 2000 and are designed for use with Bostitch wire weld framing nailers. Their design allows for lighter tool weight and extended use, making them suitable for exterior trim, siding, and sub-floors. Key specifications include a 3.1mm gauge/diameter, 90mm length, clipped head at 28 degrees, ring shank, and a bright finish. Manufacturer's part number is S310R90.