About this item: Made of stainless steel, these lock nuts are sturdy and durable, making it last longer than other Nuts on the market todayGREAT TO KEEP AROUND: Hex nuts are great to have around for use in wood and wet environments, greatly reduce loosening under vibrations and torqueASSORTED SIZE: Six different sizes of lock nuts in this set that can meet you various need, get these 40 pieces nuts and you can use them for many projectsWIDE APPLICATION: These thin hexagonal nuts are widely used for plumbing on thread pipe and hose, they are great replacement nuts for your old or broken onesLIFETIME GUARANTEE: We are so confident that our product is the best on the market that we offer a NO HASSLE LIFETIME GUARANTEEThese thin hexagonal nuts are widely used for plumbing on thread pipe and hose, made of stainless steel, these lock nuts are sturdy and durable, they are great replacement nuts for your old or broken ones.There are six different sizes of lock nuts in this set that can meet you various need. Get these 40 pieces nuts and you can use them for many projects. Hex nuts are great to have around for use in wood and wet environments, greatly reduce loosening under vibrations and torque.Specifications:Material: BrassThread Size, Width, QuantityG1 or 8, 12mm, 40pcsPackage Included:40 x Hex NutsNote:1, Please allow small errors in the dimensions due to accidental imprecise manual measurement.2, The color of the item you received may be slightly different from that displayed on photos, as the brightness and color varies in different computer screen. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.