CONVENIENCE: These flange screws do not require flat washers WIDELY USED: These flange screws are used widely in home and office appliance, communication equipment, assembly boat and other machinery industry A SELECTION OF THE MOST FREQUENTLY USED SIZES - stock up loose on a useful collection of wood screws and self tapping screws which can be used for a variety of jobs around home and garden CLEAR LID - we've designed our carrying case with a clear lid, so you can identify and take stock of your screws without the risk of them getting mixed up or dropped . Easily identify what you need 304 STAINLESS STEEL MATERIAL: Made of 304 stainless steel, provides strength and provides good corrosion resistance in many environments 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.