ASTM F835 Heat Treated Alloy Steel. Sizes from 6-32 to 1/2" and Lengths 3/8" to 2" - 825 Pieces. We stock a wide variety of Fastener Assortments in both inch & metric, numerous finishes and fastener types. All KL Jack Drawer Assortments are packaged in Large Scoop Latching Metal Boxes with a Contents Label and easy to read Drawer ID Label. Assortment Drawer Outside Dimensions in Inches: 18" wide x 12" deep x 3" high.