5# 9 x 3-1/2" Tan Exterior Screws Patented Phillips Square Driv Drive System The Screw You've Used For Years Now Has A New Name! ACR - Won't Strip Out, Drives Off-Angle and Allows for More Torque Lifetime Guarantee Will Not Rust - Can be used in Pressure Treated Lumber Blue Driver Bit Included. Can use a #2 square and #2 phillips (ACR2 Phillips sold separately)