Attributes . Standard SAE 6-Point - 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", Standard Metric 6-Point - 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 17mm, 19mm, Standard SAE 12 Point - 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", Standard Metric 12 Point - 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 19mm, Deep SAE 12 Point - 3/8", 7/16", 1/2", 9/16", Accessories - Quick-Release Ratchet, 3" Extension Bar . Names