BLS18 Color Coded Hex Key Set, SAE and Metric, 18-PieceBLS18 Color Coded Hex Key Set, SAE and Metric, 18 Piece 18 hex key sizes included: 7 64, 1 8, 9 64, 5 32, 3 16, 7 32, 1 4, 5 16, 3 8 Inch and 1. 5 mm, 2 mm, 2. 5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm Color coded sleeves for quick identification of each key size Extra long arms are 30 Percent longer for greater reach and leverage Round shanks with plastic sleeve provided enhanced comfort during prolonged use Ball end hex keys for working at angles up