ALBO M2?M5 Stainless Steel Screw Bolt Assortment Kit (1000?2000PCS) Complete fastener kit for DIY, electronics, robotics, RC, furniture repair, and more. Each set includes a wide range of M2, M3, M4, M5 screws, bolts, nuts, flat and spring washers in various lengths (4?20 mm), all made from corrosion-resistant 304 stainless steel. Key Features: Premium Material: 304 stainless steel resists rust, corrosion, and wear Hex Socket Head: Deep hex sockets provide stable torque and prevent cam-out Complete Assortment: Includes screws, bolts, nuts, flat washers, spring washers Wide Size Range: Lengths from 4 mm to 20 mm for various applications Organized Storage: Comes in a durable storage box with labeled compartments Bonus Tools: 4 Allen keys + tweezers included in each kit Applications: 3D printer maintenance and builds Drone arm repair, motor mounting, and electronics RC car suspension and drivetrain adjustments DIY electronics, PCB mounting, sensor installation Furniture repair: chairs, shelves, brackets General hobby use and prototyping Kit Variants: 1000PCS Hex Socket Cap Head 1000PCS Button Head 2000PCS Button Head 2000PCS Cap Head Reliable, precise, and built to last ? the ALBO fastener kit is your all-in-one solution for clean assembly, strong connections, and organized storage, whether at home, in the workshop, or on the go.