SCREW - R4 MULTI-PURPOSE - #10 x 3-1/8" HANDY-PAK T25 (GRK #02137 or #103137) | GRK Fasteners R4 Series Framing and Decking Screw, #10 Thread, 3-1/8 in Length, Bugle Head, Star Drive, T-25 Drive, Steel, Yellow, Climatek-Coated, Applicable Materials: Cement, Fiber, Melamine, Plastic, Sheet Metal, Wood, Includes: Driver Bit