An assortment of 6 mm flange-head bolts from 6 x 10 through 6 x 45 and 8 mm flange-head bolts from 8 x 16 through 8 x 50 in packs of 10 Sold in an adjustable-selection box measuring 13-1/2" x 9-1/4" Grade 5 hardware with zinc finish. HDWR KIT, FLANGE BOLTS