Application: *Brand Name: Rock-On *Callout Size: No. 9 *Container Size: *Diameter: *Drive Style: Star *Driver Bit Included: Yes *Finish: Climacoat *Gauge: *Grade: *Head Type: Flat *Length: 1.62 *Material: Steel *Number in Package: 140 *Packaging Type: Carded *Product Type: Cement Board Screws *Self Drilling: Yes *Self Tapping: Yes *Sub Brand: *Thread Type: Serrated *Color: Gray *Indoor or Outdoor: Indoor