Features: Crafted from alloys material, it have good strength and corrosion resistance. Durability and can be used for long trems. Mini screws is stored in a clear and storage box with compartments, stored separately, well organized, easy to carry and find. Easy to use: thread of mini screw is clear and clean, and force is uniform and not slip off easily, and the stability is good. Micro screws is widely used at indoor project,like eyeglasses, watches,clock,Mobile phone,computer, camera or anything else that requires small screws. Note: the product is a very small screw/mini screw/mini screw. Please check the size before purchasing. Specifications: Material: Alloys Size: As Show In The Picture Package Includes: 120Pcs 1mmx3 120Pcs 1mmx4 120Pcs 1mmx5 120Pcs 1.2mmx3 120Pcs 1.2mmx4 120Pcs 1.2mmx5 120Pcs 1.4mmx3 120Pcs 1.4mmx5 120Pcs 1.7mmx5 120Pcs 1.7mmx6 note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.