Top quality, waxed single thread, multipurpose woodscrew. Popular with the professional. Features a lower screw-in torque and faster drive speed. Suitable for screwdriver, combi drill and impact drivers. ETA option 1 for crack and uncracked concrete (BT10/BT12). F120 fire resistance. Contents: 3.5 x 40 (200), 4 x 30 (200), 4 x 40 (200), 4 x 50 (200), 5 x 50 (200), 5 x 60 (100), 5 x 70 (100), 5 x 80 (100) and 6 x 100mm (100). Double-Countersunk Head for Reduced Shear Carbon Steel Construction Zinc-Plated Wax-Coated Deep, Sharp, Single Thread for Cutting Cleanly through Wood Fully & Partially Threaded Lengths Perfect for Builders Contents: 3.5 x 40 (200), 4 x 30 (200), 4 x 40 (200), 4 x 50 (200), 5 x 50 (200), 5 x 60 (100), 5 x 70 (100), 5 x 80 (100) and 6 x 100mm (100). Double-Countersunk Head for Reduced Shear Carbon Steel Construction Zinc-Plated Wax-Coated Deep, Sharp, Single Thread for Cutting Cleanly through Wood Fully & Partially Threaded Lengths Perfect for Builders