Stalwart 75-HT3010 Combo SAE & Metric Hex Key Wrench Set, 30 Piece Drop Forged Steel with Black-Oxide Finish, Consistent Accurate Fit for Long Life Sturdy Carry Case with Marked Slots for Organization Easy Retrieval, Case Dimensions: Length: 5.1 Inch, Width: 1.25 Inch, Height: 7.5 Inch SAE sizes from 0.028" to 3/8", Metric sizes from 0.7mm to 10mm 15 Long Arm SAE Keys (3/8", 5/16", 1/4", 7/32", 3/16", 5/32", 9/64", 1/8", 7/64", 3/32", 5/64", 1/16", 0.05", 0.035", 0.028") 15 Short Arm Metric Keys (10mm, 8mm, 7mm, 6mm, 5.5mm, 5mm, 4.5mm, 4mm, 3mm, 2.5mm, 2mm, 1.5mm, 1.3mm, 0.9mm, 0.7mm)