Specification: Condition: 100% Brand New Material: Alloy steel Standard type: German standard Standard number: 10.9-7-01 Size type: M3 Box size: Approx. 13 x 6.5 x 2.5cm /5.1 x 2.5 x 0.9inch Weight: 372g Button Head: 100pcs x M3*4mm button head hex socket screws black 80pcs x M3*6mm button head hex socket screws black 70pcs x M3*8mm button head hex socket screws black 60pcs x M3*10mm button head hex socket screws black 50pcs x M3*12mm button head hex socket screws black Flat Head: 100pcs x M3*4mm flat head hex socket screws black 80pcs x M3*6mm flat head hex socket screws black 70pcs x M3*8mm flat head hex socket screws black 60pcs x M3*10mm flat head hex socket screws black 50pcs x M3*12mm flat head hex socket screws black Package Included: 1 x Box of Screws Kit(included 720pcs) Note: Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully. Please allow 1-3cm differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.