Everything you need in a single thread multipurpose screw: top quality, durability and terrific driving - it's shaped to drive fast! The choice of the professional. Our premium PZ multipurpose screw. Suitable for screwdrivers, combi drills and impact drivers. Contents: 3.5 x 30 (450), 3.5 x 40 (400), 4 x 30 (400), 4 x 40 (400), 4 x 50 (400), 5 x 50 (350), 5 x 60 (150), 5 x 70 (100), 5 x 80 (100) and 6 x 100mm (50). Double-Countersunk Head with Underhead Ribs Carbon Steel Construction Zinc-Plated Wax-Coated Deep, Sharp, Single Thread for Cutting Cleanly through Wood Fully & Partially Threaded Lengths Metal Storage Case Excellent for Softwood & Hardwood Contents: 3.5 x 30 (450), 3.5 x 40 (400), 4 x 30 (400), 4 x 40 (400), 4 x 50 (400), 5 x 50 (350), 5 x 60 (150), 5 x 70 (100), 5 x 80 (100) and 6 x 100mm (50). Double-Countersunk Head with Underhead Ribs Carbon Steel Construction Zinc-Plated Wax-Coated Deep, Sharp, Single Thread for Cutting Cleanly through Wood Fully & Partially Threade...