This 240-piece Seachoice Stainless Steel Metric Machine Screw Kit contains a selection of the most popular sizes of pan head and flat head metric machine screws that can be used in a wide variety of applications, along with corresponding locknuts and flat washers. These fasteners' Stainless Steel construction ensures reliable, long-term corrosion-free performance. These screws deliver strong, reliable fastening and mounting. This kit includes M4, M5 and M6 machine screws of various lengths, and locknuts and flat washers to fit these screws. The fasteners are packaged in a durable, compartmented, re-closable clear plastic storage case that measures 4 ½ inches W x 9 inches L x 1 ¼ inches H. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable.