?Multi-Size Hex Head Nuts Bolts? This assortment kit includes 10 of the most commonly used SAE sizes, covering a wide range of repair and assembly needs: 1/4"-20 3/4" 1/4"-20 1" 1/4"-20 1-1/2" 1/4"-20 2" 5/16"-18 3/4" 5/16"-18 1" 5/16"-18 1-1/2" 5/16"-18 2" 3/8"-16 1-1/2" 3/8"-16 2-1/2" A perfect kit to meet general hardware and assembly demands. ?High-Quality 304 Stainless Steel? All bolts, nuts, flat washers, and spring lock washers are made from 100% 304 stainless steel. This provides: Superior rust resistance Excellent abrasion and oxidation resistance High corrosion protection Strength and long-lasting durability No deformation under pressure Built to perform in both indoor and outdoor environments. ?Complete 246PCS Hardware Assortment Kit? Includes a variety of 1/4", 5/16", and 3/8" bolts, nuts, flat washers, and spring lock washers. Features: Standard hex head screws Clear, precise threading Strong grip and even force distribution Ideal for speeding up fastening in various applications Total: 246 pieces, neatly organized for convenience. ?Reinforced Compartment Storage Box? All components are sorted into individual compartments to keep everything organized and easy to access. Includes: Durable, reinforced plastic case Size chart labels on both sides of the box Quick identification even if items get mixed during use Perfect for shops, garages, and mobile toolkits. ?Wide Range of Applications? This assortment kit is suitable for: Precision machinery Industrial equipment Electronics Household appliances Communication devices Automotive repair DIY projects Garage and home maintenance Ideal for fixing door handles, lamps, locks, toys, hardware components, and more.