Pack of 145 plastic screw and nut caps for M4 M5 M6 M8 M10 M12 Screw protection

【Premium Material】 Our bolt dome caps are made of exceptional plastic material with smooth edges and high strength, making them difficult to break or deform, wear-resistant, and durable. 【Easy to Use】 These matching bolt covers are easy to install and remove, user-friendly, waterproof, and dustproof, effectively protecting screws from rust, water, dust, and more. 【Easy to Store】 All plastic hex nut covers come in a high-quality, clear plastic box for easy storage and transport, clear organization, and to prevent losing the nut covers. 【Wide Applications】 The black protective cap provides effective protection while also enhancing the product's appearance. These screw caps can be used as high-strength fasteners for machinery, furniture, vehicles, and more. 【What you will get】 You will receive 50 pcs m4, 30 pcs m5, 20 pcs m6, 10 pcs m8, 20 pcs m10, 15 pcs m12, a total of 145 pcs. More models and sizes can meet your different needs, enough for your daily use.