Kit features grade 5 hardware with zinc finish, sold in an adjustable-selection box measuring 13-1/2 x 9-1/4 . Includes: (10) M6 x 10 Bolts (10) M6 x 15 Bolts (10) M6 x 20 Bolts (10) M6 x 25 Bolts (10) M6 x 30 Bolts (10) M6 x 35 Bolts (10) M6 x 40 Bolts (10) M6 x 45 Bolts (10) M6 x 50 Bolts (10) M8 x 10 Bolts (10) M8 x 25 Bolts (10) M8 x 30 Bolts (10) M8 x 35 Bolts (10) M8 x 40 Bolts (10) M8 x 45 Bolts (10) M8 x 50 Bolts (10) M10 x 20 Bolts (10) M10 x 25 Bolts (10) M10 x 30 Bolts (10) M10 x 35 Bolts (10) M10 x 40 Bolts (10) M10 x 45 Bolts (10) M10 x 50 Bolts