Specifications: 10 of 5x16 10 of 4x16 30 of 4mm 10 of 5x35 10 of 6x20 10 of 4x12 10 of 4x20 Includes the following: FLAT WASHERS 10 of 5x12 10 of 5x25 40 of 5mm NUTS 10 of 6x30 Contains 360 pieces 20 of 6mm BOLTS LOCK W