Top quality, twin thread, multipurpose screw. Features a faster drive speed. Popular with the traditional carpentry professional; the preferred screw for screwdriver use. Contents: 8 x 1" (220), 8 x 1 1/4" (200), 8 x 1 1/2" (160), 8 x 2" (200), 8 x 2 1/2" (100), 8 x 3" (100), 10 x 2" (100), 10 x 2 1/2" (100), 10 x 3" (100) and 10 x 4" (120). Double-Countersunk Head for Reduced Shear Carbon Steel Construction Zinc-Plated Wax-Coated High Pitch Thread for Faster Driving Fully & Partially Threaded Lengths Metal Storage Case Contents: 8 x 1" (220), 8 x 1 1/4" (200), 8 x 1 1/2" (160), 8 x 2" (200), 8 x 2 1/2" (100), 8 x 3" (100), 10 x 2" (100), 10 x 2 1/2" (100), 10 x 3" (100) and 10 x 4" (120). Double-Countersunk Head for Reduced Shear Carbon Steel Construction Zinc-Plated Wax-Coated High Pitch Thread for Faster Driving Fully & Partially Threaded Lengths Metal Storage Case