Blackspur Bb-wr234 Hex Key Set Comes with 10 black finished mm keys and 10 zinc plated AF keys Manufactured from heat treated carbon steel Available in different sizes Comes in following 10 black finished mm keys Sizes 1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 8 and 10mm Comes in following 10 zinc plated AF key AF Sizes 1/16, 5/64, 3/32, 1/8, 5/32, 3/16, 7/32, 1/4, 5/16 and 3/8-inches