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The BlueSpot 15311 10 Piece Metric Hex Key Set features popular sizes of hex keys. Includes keyring for quick and convenient storage.Contains: 1.5, 2, 2.5, 3, 4, 5, 5.5, 6, 8 & 10mm.Additional Information:• Type: Metric• Min. Size (mm): 1.5• Max. Size (mm): 10• Key Type: L-Shaped• End Type: Blunt• No. Keys: 10