This 256-piece Seachoice Stainless Steel Machine Screw Kit contains a selection of the most popular sizes of pan head and oval head machine screws that can be used in a wide variety of applications, along with a selection of corresponding hex nuts, 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 8-32, 10-24 and 1/4-20 machine screws of various lengths, hex nuts to fit those screws, and #8, #10 and ¼-inch flat washers. 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.