240 Piece metric Nuts And Bolts Set &ndash; Black Oxide Finish Hex Head Bolts, Hex Nuts, And Washers &ndash; Assorted Kit - Re-Sealable Plastic Case &ndash; By Katzco WHAT YOU GET- Contains 19 popular sizes: M5 X 25 10pcs, M5 20pcs, M6 20pcs, M4X12, 10pcs, 6 20pcs, M10 X 16 5pcs, M 8 X 40 5pcs, M5 X 16 10pcs, M8 10pcs, M4 X 20 10pcs, 4 20pcs, 8 10pcs, M8 X 25 5pcs, M10 X 40 5pcs, M6 X 20 10pcs, M10 10PCS, M4 20pcs, 5 20pcs, 10 10pcs, M6 X 30 10pcs. WHAT IT CAN DO FOR YOU - All kinds of nuts and bolts for various household and automotive applications. Use these to put up new walls and replace old screws, hex nuts, bolts, and washers. Perfect to replace broken lost or stripped nuts and bolts. Use on sheet metal and wood. QUALITY MATERIALS - All-steel, zinc-plated for superior rust resistance. Can withstand extreme weather conditions. WHO IS IT FOR  This is great for professionals, landlords, handymen, repair jobs, men, women, woodworking, construction, plumbing, HVAC, etc SOMETHING ABOUT US- Katzco will make sure that you will be satisfied with this set you buy from us. You are protected with our 100% No Questions Asked Guarantee for either a replacement or refund. We care about only putting out high quality products that satisfy your needs. If there is anything you need that we dont offer, we go and find the best for you.