5 LB, 1-5/8" x 8, MHR 2000 Hour Star Trim Screw, Sharp Point, Serrated Threads For Reduced Drive Torque, 6 Point Star Drive System Eliminates Cam Out, 4 Sharp Countersinking Blades, Coarse Thread For Optimal Holding Power, Knurled Section Prevents Splitting, Lifetime Guaranty.