California Proposition 65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Straight Flute Tap, Thread Size M4x 0.7, Metric, Taper, Overall Length 54.1 mm, High Speed Steel, Bright (Uncoated), Right Hand, Thread Length 19.05 mm, 75 Percent Thread Drill Size 3.30 mm, Thread Limit D4