200Pcs 4-40 to 10-32 Set Allen Head Hex Socket Screws Bolts Assortment Kit 200Pcs 4-40 6-32 8-32 10-24 10-32 Set Allen Head Hex Socket Screws Bolts Assortment Kit Material: 12.9 Alloy steel Kit Includes: 10Pcs 4-40 x 1/8", 10Pcs 4-40 x 3/16", 10Pcs 4-40 x 1/4", 10Pcs 4-40 x 5/16", 10Pcs 6-32 x 1/8", 10Pcs 6-32 x 3/16", 10Pcs 6-32 x 1/4", 10Pcs 6-32 x 5/16", 10Pcs 8-32 x 3/16", 10Pcs 8-32 x 1/4", 10Pcs 8-32 x 5/16", 10Pcs 8-32 x 3/8", 10Pcs 10-24 x 1/4", 10Pcs 10-24 x 5/16", 10Pcs 10-24 x 3/8", 10Pcs 10-24 x 1/2", 10Pcs 10-32 x 1/4", 10Pcs 10-32 x 5/16", 10Pcs 10-32 x 3/8", 10Pcs 10-32 x 1/2".